Home / 627,354.82-940,503.21-272,101.27

Finding the Fourth Proportional to 627,354.82, 940,503.21 and 272,101.27

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Solution

The fourth proportional to 627,354.82, 940,503.21 and 272,101.27 is: 407,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,354.82 : 940,503.21 = 272,101.27 : x
  2. Step 2: Convert to fraction form
    627,354.82/940,503.21 = 272,101.27/x
  3. Step 3: Cross multiply
    627,354.82x = 940,503.21 × 272,101.27
  4. Step 4: Simplify right side
    627,354.82x = 255,912,113,177.56
  5. Step 5: Solve for x
    x = 255,912,113,177.56/627,354.82
  6. Step 6: Final answer
    x = 407,922.45

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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.