Home / 442,718.10-610,948.14-251,731.50

Finding the Fourth Proportional to 442,718.10, 610,948.14 and 251,731.50

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Solution

The fourth proportional to 442,718.10, 610,948.14 and 251,731.50 is: 347,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,718.10 : 610,948.14 = 251,731.50 : x
  2. Step 2: Convert to fraction form
    442,718.10/610,948.14 = 251,731.50/x
  3. Step 3: Cross multiply
    442,718.10x = 610,948.14 × 251,731.50
  4. Step 4: Simplify right side
    442,718.10x = 153,794,891,704.41
  5. Step 5: Solve for x
    x = 153,794,891,704.41/442,718.10
  6. Step 6: Final answer
    x = 347,387.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.