Home / 762,705.30-1,144,064.56-194,086.92

Finding the Fourth Proportional to 762,705.30, 1,144,064.56 and 194,086.92

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Solution

The fourth proportional to 762,705.30, 1,144,064.56 and 194,086.92 is: 291,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,705.30 : 1,144,064.56 = 194,086.92 : x
  2. Step 2: Convert to fraction form
    762,705.30/1,144,064.56 = 194,086.92/x
  3. Step 3: Cross multiply
    762,705.30x = 1,144,064.56 × 194,086.92
  4. Step 4: Simplify right side
    762,705.30x = 222,047,966,731.56
  5. Step 5: Solve for x
    x = 222,047,966,731.56/762,705.30
  6. Step 6: Final answer
    x = 291,132.06

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Double scale
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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.