Home / 722,222.64-1,083,331.32-216,781.44

Finding the Fourth Proportional to 722,222.64, 1,083,331.32 and 216,781.44

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Solution

The fourth proportional to 722,222.64, 1,083,331.32 and 216,781.44 is: 325,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,222.64 : 1,083,331.32 = 216,781.44 : x
  2. Step 2: Convert to fraction form
    722,222.64/1,083,331.32 = 216,781.44/x
  3. Step 3: Cross multiply
    722,222.64x = 1,083,331.32 × 216,781.44
  4. Step 4: Simplify right side
    722,222.64x = 234,846,123,546.70
  5. Step 5: Solve for x
    x = 234,846,123,546.70/722,222.64
  6. Step 6: Final answer
    x = 325,171.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.