Home / 327,631.70-491,447.55-194,443.40

Finding the Fourth Proportional to 327,631.70, 491,447.55 and 194,443.40

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Solution

The fourth proportional to 327,631.70, 491,447.55 and 194,443.40 is: 291,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,631.70 : 491,447.55 = 194,443.40 : x
  2. Step 2: Convert to fraction form
    327,631.70/491,447.55 = 194,443.40/x
  3. Step 3: Cross multiply
    327,631.70x = 491,447.55 × 194,443.40
  4. Step 4: Simplify right side
    327,631.70x = 95,558,732,543.67
  5. Step 5: Solve for x
    x = 95,558,732,543.67/327,631.70
  6. Step 6: Final answer
    x = 291,665.10

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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.