Home / 410,822.80-616,234.20-115,334.80

Finding the Fourth Proportional to 410,822.80, 616,234.20 and 115,334.80

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Solution

The fourth proportional to 410,822.80, 616,234.20 and 115,334.80 is: 173,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,822.80 : 616,234.20 = 115,334.80 : x
  2. Step 2: Convert to fraction form
    410,822.80/616,234.20 = 115,334.80/x
  3. Step 3: Cross multiply
    410,822.80x = 616,234.20 × 115,334.80
  4. Step 4: Simplify right side
    410,822.80x = 71,073,248,210.16
  5. Step 5: Solve for x
    x = 71,073,248,210.16/410,822.80
  6. Step 6: Final answer
    x = 173,002.20

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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.