Home / 422,035.12-582,421.60-231,066.24

Finding the Fourth Proportional to 422,035.12, 582,421.60 and 231,066.24

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Solution

The fourth proportional to 422,035.12, 582,421.60 and 231,066.24 is: 318,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,035.12 : 582,421.60 = 231,066.24 : x
  2. Step 2: Convert to fraction form
    422,035.12/582,421.60 = 231,066.24/x
  3. Step 3: Cross multiply
    422,035.12x = 582,421.60 × 231,066.24
  4. Step 4: Simplify right side
    422,035.12x = 134,577,969,206.78
  5. Step 5: Solve for x
    x = 134,577,969,206.78/422,035.12
  6. Step 6: Final answer
    x = 318,878.60

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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.