Home / 543,029.85-749,381.19-301,351.29

Finding the Fourth Proportional to 543,029.85, 749,381.19 and 301,351.29

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Solution

The fourth proportional to 543,029.85, 749,381.19 and 301,351.29 is: 415,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,029.85 : 749,381.19 = 301,351.29 : x
  2. Step 2: Convert to fraction form
    543,029.85/749,381.19 = 301,351.29/x
  3. Step 3: Cross multiply
    543,029.85x = 749,381.19 × 301,351.29
  4. Step 4: Simplify right side
    543,029.85x = 225,826,988,308.24
  5. Step 5: Solve for x
    x = 225,826,988,308.24/543,029.85
  6. Step 6: Final answer
    x = 415,864.78

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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.