Home / 712,153.16-1,068,229.76-238,837.15

Finding the Fourth Proportional to 712,153.16, 1,068,229.76 and 238,837.15

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Solution

The fourth proportional to 712,153.16, 1,068,229.76 and 238,837.15 is: 358,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,153.16 : 1,068,229.76 = 238,837.15 : x
  2. Step 2: Convert to fraction form
    712,153.16/1,068,229.76 = 238,837.15/x
  3. Step 3: Cross multiply
    712,153.16x = 1,068,229.76 × 238,837.15
  4. Step 4: Simplify right side
    712,153.16x = 255,132,951,564.69
  5. Step 5: Solve for x
    x = 255,132,951,564.69/712,153.16
  6. Step 6: Final answer
    x = 358,255.73

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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.