Home / 656,306.10-984,459.15-551,330.10

Finding the Fourth Proportional to 656,306.10, 984,459.15 and 551,330.10

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Solution

The fourth proportional to 656,306.10, 984,459.15 and 551,330.10 is: 826,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,306.10 : 984,459.15 = 551,330.10 : x
  2. Step 2: Convert to fraction form
    656,306.10/984,459.15 = 551,330.10/x
  3. Step 3: Cross multiply
    656,306.10x = 984,459.15 × 551,330.10
  4. Step 4: Simplify right side
    656,306.10x = 542,761,961,615.42
  5. Step 5: Solve for x
    x = 542,761,961,615.42/656,306.10
  6. Step 6: Final answer
    x = 826,995.15

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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.