Home / 422,136.12-582,493.77-240,837.60

Finding the Fourth Proportional to 422,136.12, 582,493.77 and 240,837.60

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Solution

The fourth proportional to 422,136.12, 582,493.77 and 240,837.60 is: 332,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,136.12 : 582,493.77 = 240,837.60 : x
  2. Step 2: Convert to fraction form
    422,136.12/582,493.77 = 240,837.60/x
  3. Step 3: Cross multiply
    422,136.12x = 582,493.77 × 240,837.60
  4. Step 4: Simplify right side
    422,136.12x = 140,286,401,581.75
  5. Step 5: Solve for x
    x = 140,286,401,581.75/422,136.12
  6. Step 6: Final answer
    x = 332,325.04

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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.