Home / 482,531.19-665,839.29-267,617.40

Finding the Fourth Proportional to 482,531.19, 665,839.29 and 267,617.40

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Solution

The fourth proportional to 482,531.19, 665,839.29 and 267,617.40 is: 369,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,531.19 : 665,839.29 = 267,617.40 : x
  2. Step 2: Convert to fraction form
    482,531.19/665,839.29 = 267,617.40/x
  3. Step 3: Cross multiply
    482,531.19x = 665,839.29 × 267,617.40
  4. Step 4: Simplify right side
    482,531.19x = 178,190,179,607.65
  5. Step 5: Solve for x
    x = 178,190,179,607.65/482,531.19
  6. Step 6: Final answer
    x = 369,282.20

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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.