Home / 627,528.20-940,257.86-361,512.45

Finding the Fourth Proportional to 627,528.20, 940,257.86 and 361,512.45

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Solution

The fourth proportional to 627,528.20, 940,257.86 and 361,512.45 is: 541,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,528.20 : 940,257.86 = 361,512.45 : x
  2. Step 2: Convert to fraction form
    627,528.20/940,257.86 = 361,512.45/x
  3. Step 3: Cross multiply
    627,528.20x = 940,257.86 × 361,512.45
  4. Step 4: Simplify right side
    627,528.20x = 339,914,920,792.80
  5. Step 5: Solve for x
    x = 339,914,920,792.80/627,528.20
  6. Step 6: Final answer
    x = 541,672.75

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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.