Home / 579,155.95-868,778.33-194,906.68

Finding the Fourth Proportional to 579,155.95, 868,778.33 and 194,906.68

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Solution

The fourth proportional to 579,155.95, 868,778.33 and 194,906.68 is: 292,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,155.95 : 868,778.33 = 194,906.68 : x
  2. Step 2: Convert to fraction form
    579,155.95/868,778.33 = 194,906.68/x
  3. Step 3: Cross multiply
    579,155.95x = 868,778.33 × 194,906.68
  4. Step 4: Simplify right side
    579,155.95x = 169,330,700,897.73
  5. Step 5: Solve for x
    x = 169,330,700,897.73/579,155.95
  6. Step 6: Final answer
    x = 292,374.97

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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.