Home / 1,228,850.56-1,695,849.76-719,505.28

Finding the Fourth Proportional to 1,228,850.56, 1,695,849.76 and 719,505.28

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Solution

The fourth proportional to 1,228,850.56, 1,695,849.76 and 719,505.28 is: 992,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,850.56 : 1,695,849.76 = 719,505.28 : x
  2. Step 2: Convert to fraction form
    1,228,850.56/1,695,849.76 = 719,505.28/x
  3. Step 3: Cross multiply
    1,228,850.56x = 1,695,849.76 × 719,505.28
  4. Step 4: Simplify right side
    1,228,850.56x = 1,220,172,856,406.73
  5. Step 5: Solve for x
    x = 1,220,172,856,406.73/1,228,850.56
  6. Step 6: Final answer
    x = 992,938.36

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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.