Home / 422,320.72-582,802.74-231,337.24

Finding the Fourth Proportional to 422,320.72, 582,802.74 and 231,337.24

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Solution

The fourth proportional to 422,320.72, 582,802.74 and 231,337.24 is: 319,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,320.72 : 582,802.74 = 231,337.24 : x
  2. Step 2: Convert to fraction form
    422,320.72/582,802.74 = 231,337.24/x
  3. Step 3: Cross multiply
    422,320.72x = 582,802.74 × 231,337.24
  4. Step 4: Simplify right side
    422,320.72x = 134,823,977,336.04
  5. Step 5: Solve for x
    x = 134,823,977,336.04/422,320.72
  6. Step 6: Final answer
    x = 319,245.47

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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.