Home / 394,273.20-591,458.99-154,356.11

Finding the Fourth Proportional to 394,273.20, 591,458.99 and 154,356.11

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Solution

The fourth proportional to 394,273.20, 591,458.99 and 154,356.11 is: 231,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,273.20 : 591,458.99 = 154,356.11 : x
  2. Step 2: Convert to fraction form
    394,273.20/591,458.99 = 154,356.11/x
  3. Step 3: Cross multiply
    394,273.20x = 591,458.99 × 154,356.11
  4. Step 4: Simplify right side
    394,273.20x = 91,295,307,409.82
  5. Step 5: Solve for x
    x = 91,295,307,409.82/394,273.20
  6. Step 6: Final answer
    x = 231,553.42

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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.