Home / 422,050.55-582,485.23-240,720.91

Finding the Fourth Proportional to 422,050.55, 582,485.23 and 240,720.91

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Solution

The fourth proportional to 422,050.55, 582,485.23 and 240,720.91 is: 332,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,050.55 : 582,485.23 = 240,720.91 : x
  2. Step 2: Convert to fraction form
    422,050.55/582,485.23 = 240,720.91/x
  3. Step 3: Cross multiply
    422,050.55x = 582,485.23 × 240,720.91
  4. Step 4: Simplify right side
    422,050.55x = 140,216,375,394.27
  5. Step 5: Solve for x
    x = 140,216,375,394.27/422,050.55
  6. Step 6: Final answer
    x = 332,226.50

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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.