Home / 454,708.22-681,456.37-214,885.80

Finding the Fourth Proportional to 454,708.22, 681,456.37 and 214,885.80

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Solution

The fourth proportional to 454,708.22, 681,456.37 and 214,885.80 is: 322,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,708.22 : 681,456.37 = 214,885.80 : x
  2. Step 2: Convert to fraction form
    454,708.22/681,456.37 = 214,885.80/x
  3. Step 3: Cross multiply
    454,708.22x = 681,456.37 × 214,885.80
  4. Step 4: Simplify right side
    454,708.22x = 146,435,297,232.55
  5. Step 5: Solve for x
    x = 146,435,297,232.55/454,708.22
  6. Step 6: Final answer
    x = 322,042.34

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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.