Home / 526,440.97-726,488.53-284,723.55

Finding the Fourth Proportional to 526,440.97, 726,488.53 and 284,723.55

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Solution

The fourth proportional to 526,440.97, 726,488.53 and 284,723.55 is: 392,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,440.97 : 726,488.53 = 284,723.55 : x
  2. Step 2: Convert to fraction form
    526,440.97/726,488.53 = 284,723.55/x
  3. Step 3: Cross multiply
    526,440.97x = 726,488.53 × 284,723.55
  4. Step 4: Simplify right side
    526,440.97x = 206,848,393,295.88
  5. Step 5: Solve for x
    x = 206,848,393,295.88/526,440.97
  6. Step 6: Final answer
    x = 392,918.49

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1.5x scale

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.