Home / 543,320.68-749,745.03-301,584.23

Finding the Fourth Proportional to 543,320.68, 749,745.03 and 301,584.23

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Solution

The fourth proportional to 543,320.68, 749,745.03 and 301,584.23 is: 416,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,320.68 : 749,745.03 = 301,584.23 : x
  2. Step 2: Convert to fraction form
    543,320.68/749,745.03 = 301,584.23/x
  3. Step 3: Cross multiply
    543,320.68x = 749,745.03 × 301,584.23
  4. Step 4: Simplify right side
    543,320.68x = 226,111,277,568.88
  5. Step 5: Solve for x
    x = 226,111,277,568.88/543,320.68
  6. Step 6: Final answer
    x = 416,165.42

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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.