Home / 454,555.94-627,148.16-263,531.20

Finding the Fourth Proportional to 454,555.94, 627,148.16 and 263,531.20

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Solution

The fourth proportional to 454,555.94, 627,148.16 and 263,531.20 is: 363,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,555.94 : 627,148.16 = 263,531.20 : x
  2. Step 2: Convert to fraction form
    454,555.94/627,148.16 = 263,531.20/x
  3. Step 3: Cross multiply
    454,555.94x = 627,148.16 × 263,531.20
  4. Step 4: Simplify right side
    454,555.94x = 165,273,107,182.59
  5. Step 5: Solve for x
    x = 165,273,107,182.59/454,555.94
  6. Step 6: Final answer
    x = 363,592.45

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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.