Home / 579,564.10-869,346.15-158,839.30

Finding the Fourth Proportional to 579,564.10, 869,346.15 and 158,839.30

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Solution

The fourth proportional to 579,564.10, 869,346.15 and 158,839.30 is: 238,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,564.10 : 869,346.15 = 158,839.30 : x
  2. Step 2: Convert to fraction form
    579,564.10/869,346.15 = 158,839.30/x
  3. Step 3: Cross multiply
    579,564.10x = 869,346.15 × 158,839.30
  4. Step 4: Simplify right side
    579,564.10x = 138,086,333,923.70
  5. Step 5: Solve for x
    x = 138,086,333,923.70/579,564.10
  6. Step 6: Final answer
    x = 238,258.95

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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.