Home / 481,267.20-722,610.45-268,450.91

Finding the Fourth Proportional to 481,267.20, 722,610.45 and 268,450.91

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Solution

The fourth proportional to 481,267.20, 722,610.45 and 268,450.91 is: 403,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,267.20 : 722,610.45 = 268,450.91 : x
  2. Step 2: Convert to fraction form
    481,267.20/722,610.45 = 268,450.91/x
  3. Step 3: Cross multiply
    481,267.20x = 722,610.45 × 268,450.91
  4. Step 4: Simplify right side
    481,267.20x = 193,985,432,878.01
  5. Step 5: Solve for x
    x = 193,985,432,878.01/481,267.20
  6. Step 6: Final answer
    x = 403,072.21

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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.