Home / 482,849.40-666,363.31-267,989.48

Finding the Fourth Proportional to 482,849.40, 666,363.31 and 267,989.48

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Solution

The fourth proportional to 482,849.40, 666,363.31 and 267,989.48 is: 369,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,849.40 : 666,363.31 = 267,989.48 : x
  2. Step 2: Convert to fraction form
    482,849.40/666,363.31 = 267,989.48/x
  3. Step 3: Cross multiply
    482,849.40x = 666,363.31 × 267,989.48
  4. Step 4: Simplify right side
    482,849.40x = 178,578,352,936.19
  5. Step 5: Solve for x
    x = 178,578,352,936.19/482,849.40
  6. Step 6: Final answer
    x = 369,842.76

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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.