Home / 492,121.03-679,127.04-265,766.53

Finding the Fourth Proportional to 492,121.03, 679,127.04 and 265,766.53

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Solution

The fourth proportional to 492,121.03, 679,127.04 and 265,766.53 is: 366,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,121.03 : 679,127.04 = 265,766.53 : x
  2. Step 2: Convert to fraction form
    492,121.03/679,127.04 = 265,766.53/x
  3. Step 3: Cross multiply
    492,121.03x = 679,127.04 × 265,766.53
  4. Step 4: Simplify right side
    492,121.03x = 180,489,236,849.97
  5. Step 5: Solve for x
    x = 180,489,236,849.97/492,121.03
  6. Step 6: Final answer
    x = 366,757.82

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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.