Home / 454,549.94-627,139.89-263,525.20

Finding the Fourth Proportional to 454,549.94, 627,139.89 and 263,525.20

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Solution

The fourth proportional to 454,549.94, 627,139.89 and 263,525.20 is: 363,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,549.94 : 627,139.89 = 263,525.20 : x
  2. Step 2: Convert to fraction form
    454,549.94/627,139.89 = 263,525.20/x
  3. Step 3: Cross multiply
    454,549.94x = 627,139.89 × 263,525.20
  4. Step 4: Simplify right side
    454,549.94x = 165,267,164,940.23
  5. Step 5: Solve for x
    x = 165,267,164,940.23/454,549.94
  6. Step 6: Final answer
    x = 363,584.18

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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.