Home / 497,839.40-746,761.80-123,862.40

Finding the Fourth Proportional to 497,839.40, 746,761.80 and 123,862.40

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Solution

The fourth proportional to 497,839.40, 746,761.80 and 123,862.40 is: 185,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,839.40 : 746,761.80 = 123,862.40 : x
  2. Step 2: Convert to fraction form
    497,839.40/746,761.80 = 123,862.40/x
  3. Step 3: Cross multiply
    497,839.40x = 746,761.80 × 123,862.40
  4. Step 4: Simplify right side
    497,839.40x = 92,495,708,776.32
  5. Step 5: Solve for x
    x = 92,495,708,776.32/497,839.40
  6. Step 6: Final answer
    x = 185,794.27

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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.