Home / 591,710.10-887,565.15-217,878.90

Finding the Fourth Proportional to 591,710.10, 887,565.15 and 217,878.90

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Solution

The fourth proportional to 591,710.10, 887,565.15 and 217,878.90 is: 326,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,710.10 : 887,565.15 = 217,878.90 : x
  2. Step 2: Convert to fraction form
    591,710.10/887,565.15 = 217,878.90/x
  3. Step 3: Cross multiply
    591,710.10x = 887,565.15 × 217,878.90
  4. Step 4: Simplify right side
    591,710.10x = 193,381,718,560.34
  5. Step 5: Solve for x
    x = 193,381,718,560.34/591,710.10
  6. Step 6: Final answer
    x = 326,818.35

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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.