Home / 454,185.38-626,745.82-272,789.52

Finding the Fourth Proportional to 454,185.38, 626,745.82 and 272,789.52

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Solution

The fourth proportional to 454,185.38, 626,745.82 and 272,789.52 is: 376,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,185.38 : 626,745.82 = 272,789.52 : x
  2. Step 2: Convert to fraction form
    454,185.38/626,745.82 = 272,789.52/x
  3. Step 3: Cross multiply
    454,185.38x = 626,745.82 × 272,789.52
  4. Step 4: Simplify right side
    454,185.38x = 170,969,691,399.81
  5. Step 5: Solve for x
    x = 170,969,691,399.81/454,185.38
  6. Step 6: Final answer
    x = 376,431.52

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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.