Home / 588,747.20-883,120.80-214,721.60

Finding the Fourth Proportional to 588,747.20, 883,120.80 and 214,721.60

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Solution

The fourth proportional to 588,747.20, 883,120.80 and 214,721.60 is: 322,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,747.20 : 883,120.80 = 214,721.60 : x
  2. Step 2: Convert to fraction form
    588,747.20/883,120.80 = 214,721.60/x
  3. Step 3: Cross multiply
    588,747.20x = 883,120.80 × 214,721.60
  4. Step 4: Simplify right side
    588,747.20x = 189,625,111,169.28
  5. Step 5: Solve for x
    x = 189,625,111,169.28/588,747.20
  6. Step 6: Final answer
    x = 322,082.40

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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.