Home / 656,366.10-984,549.15-551,390.10

Finding the Fourth Proportional to 656,366.10, 984,549.15 and 551,390.10

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Solution

The fourth proportional to 656,366.10, 984,549.15 and 551,390.10 is: 827,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,366.10 : 984,549.15 = 551,390.10 : x
  2. Step 2: Convert to fraction form
    656,366.10/984,549.15 = 551,390.10/x
  3. Step 3: Cross multiply
    656,366.10x = 984,549.15 × 551,390.10
  4. Step 4: Simplify right side
    656,366.10x = 542,870,654,273.42
  5. Step 5: Solve for x
    x = 542,870,654,273.42/656,366.10
  6. Step 6: Final answer
    x = 827,085.15

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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.