Home / 619,316.55-928,974.83-198,634.95

Finding the Fourth Proportional to 619,316.55, 928,974.83 and 198,634.95

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Solution

The fourth proportional to 619,316.55, 928,974.83 and 198,634.95 is: 297,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,316.55 : 928,974.83 = 198,634.95 : x
  2. Step 2: Convert to fraction form
    619,316.55/928,974.83 = 198,634.95/x
  3. Step 3: Cross multiply
    619,316.55x = 928,974.83 × 198,634.95
  4. Step 4: Simplify right side
    619,316.55x = 184,526,867,915.13
  5. Step 5: Solve for x
    x = 184,526,867,915.13/619,316.55
  6. Step 6: Final answer
    x = 297,952.43

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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.