Home / 441,364.20-661,177.86-291,145.53

Finding the Fourth Proportional to 441,364.20, 661,177.86 and 291,145.53

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Solution

The fourth proportional to 441,364.20, 661,177.86 and 291,145.53 is: 436,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,364.20 : 661,177.86 = 291,145.53 : x
  2. Step 2: Convert to fraction form
    441,364.20/661,177.86 = 291,145.53/x
  3. Step 3: Cross multiply
    441,364.20x = 661,177.86 × 291,145.53
  4. Step 4: Simplify right side
    441,364.20x = 192,498,978,473.97
  5. Step 5: Solve for x
    x = 192,498,978,473.97/441,364.20
  6. Step 6: Final answer
    x = 436,145.43

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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.