Home / 431,331.40-646,997.10-244,707.40

Finding the Fourth Proportional to 431,331.40, 646,997.10 and 244,707.40

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Solution

The fourth proportional to 431,331.40, 646,997.10 and 244,707.40 is: 367,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,331.40 : 646,997.10 = 244,707.40 : x
  2. Step 2: Convert to fraction form
    431,331.40/646,997.10 = 244,707.40/x
  3. Step 3: Cross multiply
    431,331.40x = 646,997.10 × 244,707.40
  4. Step 4: Simplify right side
    431,331.40x = 158,324,978,148.54
  5. Step 5: Solve for x
    x = 158,324,978,148.54/431,331.40
  6. Step 6: Final answer
    x = 367,061.10

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Similar ratio
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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.