Home / 588,630.20-882,945.30-145,398.20

Finding the Fourth Proportional to 588,630.20, 882,945.30 and 145,398.20

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Solution

The fourth proportional to 588,630.20, 882,945.30 and 145,398.20 is: 218,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,630.20 : 882,945.30 = 145,398.20 : x
  2. Step 2: Convert to fraction form
    588,630.20/882,945.30 = 145,398.20/x
  3. Step 3: Cross multiply
    588,630.20x = 882,945.30 × 145,398.20
  4. Step 4: Simplify right side
    588,630.20x = 128,378,657,318.46
  5. Step 5: Solve for x
    x = 128,378,657,318.46/588,630.20
  6. Step 6: Final answer
    x = 218,097.30

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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.