Home / 454,621.82-627,335.28-263,614.50

Finding the Fourth Proportional to 454,621.82, 627,335.28 and 263,614.50

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Solution

The fourth proportional to 454,621.82, 627,335.28 and 263,614.50 is: 363,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,621.82 : 627,335.28 = 263,614.50 : x
  2. Step 2: Convert to fraction form
    454,621.82/627,335.28 = 263,614.50/x
  3. Step 3: Cross multiply
    454,621.82x = 627,335.28 × 263,614.50
  4. Step 4: Simplify right side
    454,621.82x = 165,374,676,169.56
  5. Step 5: Solve for x
    x = 165,374,676,169.56/454,621.82
  6. Step 6: Final answer
    x = 363,763.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.