Home / 551,326.20-826,989.30-527,998.20

Finding the Fourth Proportional to 551,326.20, 826,989.30 and 527,998.20

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Solution

The fourth proportional to 551,326.20, 826,989.30 and 527,998.20 is: 791,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,326.20 : 826,989.30 = 527,998.20 : x
  2. Step 2: Convert to fraction form
    551,326.20/826,989.30 = 527,998.20/x
  3. Step 3: Cross multiply
    551,326.20x = 826,989.30 × 527,998.20
  4. Step 4: Simplify right side
    551,326.20x = 436,648,861,819.26
  5. Step 5: Solve for x
    x = 436,648,861,819.26/551,326.20
  6. Step 6: Final answer
    x = 791,997.30

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Half scale
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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.