Home / 558,358.17-837,542.18-158,998.60

Finding the Fourth Proportional to 558,358.17, 837,542.18 and 158,998.60

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Solution

The fourth proportional to 558,358.17, 837,542.18 and 158,998.60 is: 238,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,358.17 : 837,542.18 = 158,998.60 : x
  2. Step 2: Convert to fraction form
    558,358.17/837,542.18 = 158,998.60/x
  3. Step 3: Cross multiply
    558,358.17x = 837,542.18 × 158,998.60
  4. Step 4: Simplify right side
    558,358.17x = 133,168,034,060.95
  5. Step 5: Solve for x
    x = 133,168,034,060.95/558,358.17
  6. Step 6: Final answer
    x = 238,499.30

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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.