Home / 584,221.10-876,331.65-331,403.90

Finding the Fourth Proportional to 584,221.10, 876,331.65 and 331,403.90

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Solution

The fourth proportional to 584,221.10, 876,331.65 and 331,403.90 is: 497,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,221.10 : 876,331.65 = 331,403.90 : x
  2. Step 2: Convert to fraction form
    584,221.10/876,331.65 = 331,403.90/x
  3. Step 3: Cross multiply
    584,221.10x = 876,331.65 × 331,403.90
  4. Step 4: Simplify right side
    584,221.10x = 290,419,726,503.44
  5. Step 5: Solve for x
    x = 290,419,726,503.44/584,221.10
  6. Step 6: Final answer
    x = 497,105.85

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Double scale
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Similar ratio
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1.5x scale

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.