Home / 823,211.88-1,234,817.82-542,663.52

Finding the Fourth Proportional to 823,211.88, 1,234,817.82 and 542,663.52

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Solution

The fourth proportional to 823,211.88, 1,234,817.82 and 542,663.52 is: 813,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,211.88 : 1,234,817.82 = 542,663.52 : x
  2. Step 2: Convert to fraction form
    823,211.88/1,234,817.82 = 542,663.52/x
  3. Step 3: Cross multiply
    823,211.88x = 1,234,817.82 × 542,663.52
  4. Step 4: Simplify right side
    823,211.88x = 670,090,584,759.93
  5. Step 5: Solve for x
    x = 670,090,584,759.93/823,211.88
  6. Step 6: Final answer
    x = 813,995.28

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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.