Home / 422,366.38-582,865.60-252,600.50

Finding the Fourth Proportional to 422,366.38, 582,865.60 and 252,600.50

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Solution

The fourth proportional to 422,366.38, 582,865.60 and 252,600.50 is: 348,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,366.38 : 582,865.60 = 252,600.50 : x
  2. Step 2: Convert to fraction form
    422,366.38/582,865.60 = 252,600.50/x
  3. Step 3: Cross multiply
    422,366.38x = 582,865.60 × 252,600.50
  4. Step 4: Simplify right side
    422,366.38x = 147,232,141,992.80
  5. Step 5: Solve for x
    x = 147,232,141,992.80/422,366.38
  6. Step 6: Final answer
    x = 348,588.69

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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.