Home / 627,390.87-941,089.45-154,076.37

Finding the Fourth Proportional to 627,390.87, 941,089.45 and 154,076.37

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Solution

The fourth proportional to 627,390.87, 941,089.45 and 154,076.37 is: 231,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,390.87 : 941,089.45 = 154,076.37 : x
  2. Step 2: Convert to fraction form
    627,390.87/941,089.45 = 154,076.37/x
  3. Step 3: Cross multiply
    627,390.87x = 941,089.45 × 154,076.37
  4. Step 4: Simplify right side
    627,390.87x = 144,999,646,301.30
  5. Step 5: Solve for x
    x = 144,999,646,301.30/627,390.87
  6. Step 6: Final answer
    x = 231,115.33

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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.