Home / 422,055.05-582,491.43-240,725.43

Finding the Fourth Proportional to 422,055.05, 582,491.43 and 240,725.43

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Solution

The fourth proportional to 422,055.05, 582,491.43 and 240,725.43 is: 332,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,055.05 : 582,491.43 = 240,725.43 : x
  2. Step 2: Convert to fraction form
    422,055.05/582,491.43 = 240,725.43/x
  3. Step 3: Cross multiply
    422,055.05x = 582,491.43 × 240,725.43
  4. Step 4: Simplify right side
    422,055.05x = 140,220,499,958.07
  5. Step 5: Solve for x
    x = 140,220,499,958.07/422,055.05
  6. Step 6: Final answer
    x = 332,232.73

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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.