Home / 519,984.38-780,042.18-178,494.35

Finding the Fourth Proportional to 519,984.38, 780,042.18 and 178,494.35

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Solution

The fourth proportional to 519,984.38, 780,042.18 and 178,494.35 is: 267,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,984.38 : 780,042.18 = 178,494.35 : x
  2. Step 2: Convert to fraction form
    519,984.38/780,042.18 = 178,494.35/x
  3. Step 3: Cross multiply
    519,984.38x = 780,042.18 × 178,494.35
  4. Step 4: Simplify right side
    519,984.38x = 139,233,117,991.47
  5. Step 5: Solve for x
    x = 139,233,117,991.47/519,984.38
  6. Step 6: Final answer
    x = 267,764.04

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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.