Home / 386,905.41-580,493.52-150,414.03

Finding the Fourth Proportional to 386,905.41, 580,493.52 and 150,414.03

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Solution

The fourth proportional to 386,905.41, 580,493.52 and 150,414.03 is: 225,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,905.41 : 580,493.52 = 150,414.03 : x
  2. Step 2: Convert to fraction form
    386,905.41/580,493.52 = 150,414.03/x
  3. Step 3: Cross multiply
    386,905.41x = 580,493.52 × 150,414.03
  4. Step 4: Simplify right side
    386,905.41x = 87,314,369,732.09
  5. Step 5: Solve for x
    x = 87,314,369,732.09/386,905.41
  6. Step 6: Final answer
    x = 225,673.69

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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.