Home / 460,743.05-691,067.86-123,739.92

Finding the Fourth Proportional to 460,743.05, 691,067.86 and 123,739.92

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Solution

The fourth proportional to 460,743.05, 691,067.86 and 123,739.92 is: 185,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,743.05 : 691,067.86 = 123,739.92 : x
  2. Step 2: Convert to fraction form
    460,743.05/691,067.86 = 123,739.92/x
  3. Step 3: Cross multiply
    460,743.05x = 691,067.86 × 123,739.92
  4. Step 4: Simplify right side
    460,743.05x = 85,512,681,401.62
  5. Step 5: Solve for x
    x = 85,512,681,401.62/460,743.05
  6. Step 6: Final answer
    x = 185,597.33

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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.