Home / 627,357.33-940,506.96-272,103.78

Finding the Fourth Proportional to 627,357.33, 940,506.96 and 272,103.78

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Solution

The fourth proportional to 627,357.33, 940,506.96 and 272,103.78 is: 407,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,357.33 : 940,506.96 = 272,103.78 : x
  2. Step 2: Convert to fraction form
    627,357.33/940,506.96 = 272,103.78/x
  3. Step 3: Cross multiply
    627,357.33x = 940,506.96 × 272,103.78
  4. Step 4: Simplify right side
    627,357.33x = 255,915,498,932.31
  5. Step 5: Solve for x
    x = 255,915,498,932.31/627,357.33
  6. Step 6: Final answer
    x = 407,926.21

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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.