Home / 327,630.70-491,446.05-194,442.40

Finding the Fourth Proportional to 327,630.70, 491,446.05 and 194,442.40

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Solution

The fourth proportional to 327,630.70, 491,446.05 and 194,442.40 is: 291,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,630.70 : 491,446.05 = 194,442.40 : x
  2. Step 2: Convert to fraction form
    327,630.70/491,446.05 = 194,442.40/x
  3. Step 3: Cross multiply
    327,630.70x = 491,446.05 × 194,442.40
  4. Step 4: Simplify right side
    327,630.70x = 95,557,949,432.52
  5. Step 5: Solve for x
    x = 95,557,949,432.52/327,630.70
  6. Step 6: Final answer
    x = 291,663.60

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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.