Home / 420,230.52-582,371.46-412,255.80

Finding the Fourth Proportional to 420,230.52, 582,371.46 and 412,255.80

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Solution

The fourth proportional to 420,230.52, 582,371.46 and 412,255.80 is: 571,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,230.52 : 582,371.46 = 412,255.80 : x
  2. Step 2: Convert to fraction form
    420,230.52/582,371.46 = 412,255.80/x
  3. Step 3: Cross multiply
    420,230.52x = 582,371.46 × 412,255.80
  4. Step 4: Simplify right side
    420,230.52x = 240,086,012,139.47
  5. Step 5: Solve for x
    x = 240,086,012,139.47/420,230.52
  6. Step 6: Final answer
    x = 571,319.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.