X, Y, and Z join a partnership and invest some amount. After one year, X doubles its investment, Y increases its investment by 33(1/3)%, and Z increases its investment by 20%. In the third year, X and Y withdraw their investments, and P joins the partnership with Z. After three years, they receive a profit in the ratio of 12:14:17:8 (X : Y : Z :

• P . If the difference between the initial investment of Y and Z is 3450, then find out the total initial investment made by X and P together.