Home / 605,721.50-835,912.96-337,466.78

Finding the Fourth Proportional to 605,721.50, 835,912.96 and 337,466.78

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Solution

The fourth proportional to 605,721.50, 835,912.96 and 337,466.78 is: 465,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,721.50 : 835,912.96 = 337,466.78 : x
  2. Step 2: Convert to fraction form
    605,721.50/835,912.96 = 337,466.78/x
  3. Step 3: Cross multiply
    605,721.50x = 835,912.96 × 337,466.78
  4. Step 4: Simplify right side
    605,721.50x = 282,092,854,971.47
  5. Step 5: Solve for x
    x = 282,092,854,971.47/605,721.50
  6. Step 6: Final answer
    x = 465,713.79

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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.