Home / 558,640.18-837,968.07-159,281.11

Finding the Fourth Proportional to 558,640.18, 837,968.07 and 159,281.11

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Solution

The fourth proportional to 558,640.18, 837,968.07 and 159,281.11 is: 238,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,640.18 : 837,968.07 = 159,281.11 : x
  2. Step 2: Convert to fraction form
    558,640.18/837,968.07 = 159,281.11/x
  3. Step 3: Cross multiply
    558,640.18x = 837,968.07 × 159,281.11
  4. Step 4: Simplify right side
    558,640.18x = 133,472,483,398.15
  5. Step 5: Solve for x
    x = 133,472,483,398.15/558,640.18
  6. Step 6: Final answer
    x = 238,923.89

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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.