Home / 403,734.10-605,601.15-271,023.70

Finding the Fourth Proportional to 403,734.10, 605,601.15 and 271,023.70

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Solution

The fourth proportional to 403,734.10, 605,601.15 and 271,023.70 is: 406,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,734.10 : 605,601.15 = 271,023.70 : x
  2. Step 2: Convert to fraction form
    403,734.10/605,601.15 = 271,023.70/x
  3. Step 3: Cross multiply
    403,734.10x = 605,601.15 × 271,023.70
  4. Step 4: Simplify right side
    403,734.10x = 164,132,264,397.26
  5. Step 5: Solve for x
    x = 164,132,264,397.26/403,734.10
  6. Step 6: Final answer
    x = 406,535.55

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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.