Home / 1,231,354.42-1,699,552.17-722,220.82

Finding the Fourth Proportional to 1,231,354.42, 1,699,552.17 and 722,220.82

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Solution

The fourth proportional to 1,231,354.42, 1,699,552.17 and 722,220.82 is: 996,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,354.42 : 1,699,552.17 = 722,220.82 : x
  2. Step 2: Convert to fraction form
    1,231,354.42/1,699,552.17 = 722,220.82/x
  3. Step 3: Cross multiply
    1,231,354.42x = 1,699,552.17 × 722,220.82
  4. Step 4: Simplify right side
    1,231,354.42x = 1,227,451,961,850.18
  5. Step 5: Solve for x
    x = 1,227,451,961,850.18/1,231,354.42
  6. Step 6: Final answer
    x = 996,830.76

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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.