Home / 378,192.60-522,039.46-337,836.28

Finding the Fourth Proportional to 378,192.60, 522,039.46 and 337,836.28

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Solution

The fourth proportional to 378,192.60, 522,039.46 and 337,836.28 is: 466,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,192.60 : 522,039.46 = 337,836.28 : x
  2. Step 2: Convert to fraction form
    378,192.60/522,039.46 = 337,836.28/x
  3. Step 3: Cross multiply
    378,192.60x = 522,039.46 × 337,836.28
  4. Step 4: Simplify right side
    378,192.60x = 176,363,869,179.61
  5. Step 5: Solve for x
    x = 176,363,869,179.61/378,192.60
  6. Step 6: Final answer
    x = 466,333.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.