Home / 752,475.72-1,129,082.52-353,148.96

Finding the Fourth Proportional to 752,475.72, 1,129,082.52 and 353,148.96

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Solution

The fourth proportional to 752,475.72, 1,129,082.52 and 353,148.96 is: 529,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,475.72 : 1,129,082.52 = 353,148.96 : x
  2. Step 2: Convert to fraction form
    752,475.72/1,129,082.52 = 353,148.96/x
  3. Step 3: Cross multiply
    752,475.72x = 1,129,082.52 × 353,148.96
  4. Step 4: Simplify right side
    752,475.72x = 398,734,317,692.18
  5. Step 5: Solve for x
    x = 398,734,317,692.18/752,475.72
  6. Step 6: Final answer
    x = 529,896.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.