Home / 451,825.49-677,297.60-215,104.61

Finding the Fourth Proportional to 451,825.49, 677,297.60 and 215,104.61

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Solution

The fourth proportional to 451,825.49, 677,297.60 and 215,104.61 is: 322,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,825.49 : 677,297.60 = 215,104.61 : x
  2. Step 2: Convert to fraction form
    451,825.49/677,297.60 = 215,104.61/x
  3. Step 3: Cross multiply
    451,825.49x = 677,297.60 × 215,104.61
  4. Step 4: Simplify right side
    451,825.49x = 145,689,835,026.41
  5. Step 5: Solve for x
    x = 145,689,835,026.41/451,825.49
  6. Step 6: Final answer
    x = 322,447.14

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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.