Home / 543,761.42-815,958.06-223,945.46

Finding the Fourth Proportional to 543,761.42, 815,958.06 and 223,945.46

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Solution

The fourth proportional to 543,761.42, 815,958.06 and 223,945.46 is: 336,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,761.42 : 815,958.06 = 223,945.46 : x
  2. Step 2: Convert to fraction form
    543,761.42/815,958.06 = 223,945.46/x
  3. Step 3: Cross multiply
    543,761.42x = 815,958.06 × 223,945.46
  4. Step 4: Simplify right side
    543,761.42x = 182,730,103,087.41
  5. Step 5: Solve for x
    x = 182,730,103,087.41/543,761.42
  6. Step 6: Final answer
    x = 336,048.30

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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.