Home / 752,775.71-1,129,165.17-529,136.87

Finding the Fourth Proportional to 752,775.71, 1,129,165.17 and 529,136.87

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Solution

The fourth proportional to 752,775.71, 1,129,165.17 and 529,136.87 is: 793,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,775.71 : 1,129,165.17 = 529,136.87 : x
  2. Step 2: Convert to fraction form
    752,775.71/1,129,165.17 = 529,136.87/x
  3. Step 3: Cross multiply
    752,775.71x = 1,129,165.17 × 529,136.87
  4. Step 4: Simplify right side
    752,775.71x = 597,482,923,766.82
  5. Step 5: Solve for x
    x = 597,482,923,766.82/752,775.71
  6. Step 6: Final answer
    x = 793,706.43

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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.