Home / 987,202.55-1,480,803.82-239,248.55

Finding the Fourth Proportional to 987,202.55, 1,480,803.82 and 239,248.55

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Solution

The fourth proportional to 987,202.55, 1,480,803.82 and 239,248.55 is: 358,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,202.55 : 1,480,803.82 = 239,248.55 : x
  2. Step 2: Convert to fraction form
    987,202.55/1,480,803.82 = 239,248.55/x
  3. Step 3: Cross multiply
    987,202.55x = 1,480,803.82 × 239,248.55
  4. Step 4: Simplify right side
    987,202.55x = 354,280,169,873.35
  5. Step 5: Solve for x
    x = 354,280,169,873.35/987,202.55
  6. Step 6: Final answer
    x = 358,872.83

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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.