Home / 422,139.37-582,552.46-228,547.04

Finding the Fourth Proportional to 422,139.37, 582,552.46 and 228,547.04

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Solution

The fourth proportional to 422,139.37, 582,552.46 and 228,547.04 is: 315,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,139.37 : 582,552.46 = 228,547.04 : x
  2. Step 2: Convert to fraction form
    422,139.37/582,552.46 = 228,547.04/x
  3. Step 3: Cross multiply
    422,139.37x = 582,552.46 × 228,547.04
  4. Step 4: Simplify right side
    422,139.37x = 133,140,640,377.72
  5. Step 5: Solve for x
    x = 133,140,640,377.72/422,139.37
  6. Step 6: Final answer
    x = 315,394.99

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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.