Home / 481,087.44-721,916.24-268,033.68

Finding the Fourth Proportional to 481,087.44, 721,916.24 and 268,033.68

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Solution

The fourth proportional to 481,087.44, 721,916.24 and 268,033.68 is: 402,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,087.44 : 721,916.24 = 268,033.68 : x
  2. Step 2: Convert to fraction form
    481,087.44/721,916.24 = 268,033.68/x
  3. Step 3: Cross multiply
    481,087.44x = 721,916.24 × 268,033.68
  4. Step 4: Simplify right side
    481,087.44x = 193,497,866,458.96
  5. Step 5: Solve for x
    x = 193,497,866,458.96/481,087.44
  6. Step 6: Final answer
    x = 402,209.35

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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.