Home / 851,134.88-1,174,565.84-469,168.04

Finding the Fourth Proportional to 851,134.88, 1,174,565.84 and 469,168.04

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Solution

The fourth proportional to 851,134.88, 1,174,565.84 and 469,168.04 is: 647,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,134.88 : 1,174,565.84 = 469,168.04 : x
  2. Step 2: Convert to fraction form
    851,134.88/1,174,565.84 = 469,168.04/x
  3. Step 3: Cross multiply
    851,134.88x = 1,174,565.84 × 469,168.04
  4. Step 4: Simplify right side
    851,134.88x = 551,068,753,003.75
  5. Step 5: Solve for x
    x = 551,068,753,003.75/851,134.88
  6. Step 6: Final answer
    x = 647,451.73

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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.