Home / 641,025.90-960,372.45-522,053.10

Finding the Fourth Proportional to 641,025.90, 960,372.45 and 522,053.10

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Solution

The fourth proportional to 641,025.90, 960,372.45 and 522,053.10 is: 782,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,025.90 : 960,372.45 = 522,053.10 : x
  2. Step 2: Convert to fraction form
    641,025.90/960,372.45 = 522,053.10/x
  3. Step 3: Cross multiply
    641,025.90x = 960,372.45 × 522,053.10
  4. Step 4: Simplify right side
    641,025.90x = 501,365,414,677.10
  5. Step 5: Solve for x
    x = 501,365,414,677.10/641,025.90
  6. Step 6: Final answer
    x = 782,129.73

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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.