Home / 526,634.89-726,761.42-284,922.66

Finding the Fourth Proportional to 526,634.89, 726,761.42 and 284,922.66

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Solution

The fourth proportional to 526,634.89, 726,761.42 and 284,922.66 is: 393,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,634.89 : 726,761.42 = 284,922.66 : x
  2. Step 2: Convert to fraction form
    526,634.89/726,761.42 = 284,922.66/x
  3. Step 3: Cross multiply
    526,634.89x = 726,761.42 × 284,922.66
  4. Step 4: Simplify right side
    526,634.89x = 207,070,796,971.78
  5. Step 5: Solve for x
    x = 207,070,796,971.78/526,634.89
  6. Step 6: Final answer
    x = 393,196.12

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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.