Home / 386,164.20-579,246.30-327,844.20

Finding the Fourth Proportional to 386,164.20, 579,246.30 and 327,844.20

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Solution

The fourth proportional to 386,164.20, 579,246.30 and 327,844.20 is: 491,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,164.20 : 579,246.30 = 327,844.20 : x
  2. Step 2: Convert to fraction form
    386,164.20/579,246.30 = 327,844.20/x
  3. Step 3: Cross multiply
    386,164.20x = 579,246.30 × 327,844.20
  4. Step 4: Simplify right side
    386,164.20x = 189,902,539,826.46
  5. Step 5: Solve for x
    x = 189,902,539,826.46/386,164.20
  6. Step 6: Final answer
    x = 491,766.30

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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.