Home / 409,268.60-613,753.22-156,424.06

Finding the Fourth Proportional to 409,268.60, 613,753.22 and 156,424.06

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Solution

The fourth proportional to 409,268.60, 613,753.22 and 156,424.06 is: 234,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,268.60 : 613,753.22 = 156,424.06 : x
  2. Step 2: Convert to fraction form
    409,268.60/613,753.22 = 156,424.06/x
  3. Step 3: Cross multiply
    409,268.60x = 613,753.22 × 156,424.06
  4. Step 4: Simplify right side
    409,268.60x = 96,005,770,788.84
  5. Step 5: Solve for x
    x = 96,005,770,788.84/409,268.60
  6. Step 6: Final answer
    x = 234,578.88

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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.