Home / 451,825.74-677,297.97-215,104.86

Finding the Fourth Proportional to 451,825.74, 677,297.97 and 215,104.86

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Solution

The fourth proportional to 451,825.74, 677,297.97 and 215,104.86 is: 322,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,825.74 : 677,297.97 = 215,104.86 : x
  2. Step 2: Convert to fraction form
    451,825.74/677,297.97 = 215,104.86/x
  3. Step 3: Cross multiply
    451,825.74x = 677,297.97 × 215,104.86
  4. Step 4: Simplify right side
    451,825.74x = 145,690,085,015.13
  5. Step 5: Solve for x
    x = 145,690,085,015.13/451,825.74
  6. Step 6: Final answer
    x = 322,447.51

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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.