Home / 422,206.51-582,500.40-240,788.03

Finding the Fourth Proportional to 422,206.51, 582,500.40 and 240,788.03

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Solution

The fourth proportional to 422,206.51, 582,500.40 and 240,788.03 is: 332,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,206.51 : 582,500.40 = 240,788.03 : x
  2. Step 2: Convert to fraction form
    422,206.51/582,500.40 = 240,788.03/x
  3. Step 3: Cross multiply
    422,206.51x = 582,500.40 × 240,788.03
  4. Step 4: Simplify right side
    422,206.51x = 140,259,123,790.21
  5. Step 5: Solve for x
    x = 140,259,123,790.21/422,206.51
  6. Step 6: Final answer
    x = 332,205.02

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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.