Home / 422,263.16-582,723.48-228,672.39

Finding the Fourth Proportional to 422,263.16, 582,723.48 and 228,672.39

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Solution

The fourth proportional to 422,263.16, 582,723.48 and 228,672.39 is: 315,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,263.16 : 582,723.48 = 228,672.39 : x
  2. Step 2: Convert to fraction form
    422,263.16/582,723.48 = 228,672.39/x
  3. Step 3: Cross multiply
    422,263.16x = 582,723.48 × 228,672.39
  4. Step 4: Simplify right side
    422,263.16x = 133,252,770,880.72
  5. Step 5: Solve for x
    x = 133,252,770,880.72/422,263.16
  6. Step 6: Final answer
    x = 315,568.07

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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.