Home / 627,711.27-941,558.80-154,400.73

Finding the Fourth Proportional to 627,711.27, 941,558.80 and 154,400.73

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Solution

The fourth proportional to 627,711.27, 941,558.80 and 154,400.73 is: 231,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,711.27 : 941,558.80 = 154,400.73 : x
  2. Step 2: Convert to fraction form
    627,711.27/941,558.80 = 154,400.73/x
  3. Step 3: Cross multiply
    627,711.27x = 941,558.80 × 154,400.73
  4. Step 4: Simplify right side
    627,711.27x = 145,377,366,057.92
  5. Step 5: Solve for x
    x = 145,377,366,057.92/627,711.27
  6. Step 6: Final answer
    x = 231,599.10

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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.