Home / 729,854.55-1,007,673.21-653,240.97

Finding the Fourth Proportional to 729,854.55, 1,007,673.21 and 653,240.97

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Solution

The fourth proportional to 729,854.55, 1,007,673.21 and 653,240.97 is: 901,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,854.55 : 1,007,673.21 = 653,240.97 : x
  2. Step 2: Convert to fraction form
    729,854.55/1,007,673.21 = 653,240.97/x
  3. Step 3: Cross multiply
    729,854.55x = 1,007,673.21 × 653,240.97
  4. Step 4: Simplify right side
    729,854.55x = 658,253,425,143.41
  5. Step 5: Solve for x
    x = 658,253,425,143.41/729,854.55
  6. Step 6: Final answer
    x = 901,896.72

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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.