Home / 661,982.40-993,103.20-282,902.40

Finding the Fourth Proportional to 661,982.40, 993,103.20 and 282,902.40

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Solution

The fourth proportional to 661,982.40, 993,103.20 and 282,902.40 is: 424,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,982.40 : 993,103.20 = 282,902.40 : x
  2. Step 2: Convert to fraction form
    661,982.40/993,103.20 = 282,902.40/x
  3. Step 3: Cross multiply
    661,982.40x = 993,103.20 × 282,902.40
  4. Step 4: Simplify right side
    661,982.40x = 280,951,278,727.68
  5. Step 5: Solve for x
    x = 280,951,278,727.68/661,982.40
  6. Step 6: Final answer
    x = 424,408.99

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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.