Finding the Fourth Proportional to 1,202,776.24, 1,659,201.92 and 743,744.08
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Solution
The fourth proportional to 1,202,776.24, 1,659,201.92 and 743,744.08 is: 1,025,977.70
Step by Step Solution
- Step 1: Write the proportion equation
1,202,776.24 : 1,659,201.92 = 743,744.08 : x - Step 2: Convert to fraction form
1,202,776.24/1,659,201.92 = 743,744.08/x - Step 3: Cross multiply
1,202,776.24x = 1,659,201.92 × 743,744.08 - Step 4: Simplify right side
1,202,776.24x = 1,234,021,605,524.63 - Step 5: Solve for x
x = 1,234,021,605,524.63/1,202,776.24 - Step 6: Final answer
x = 1,025,977.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.