Home / 550,399.38-824,524.68-379,217.24

Finding the Fourth Proportional to 550,399.38, 824,524.68 and 379,217.24

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Solution

The fourth proportional to 550,399.38, 824,524.68 and 379,217.24 is: 568,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,399.38 : 824,524.68 = 379,217.24 : x
  2. Step 2: Convert to fraction form
    550,399.38/824,524.68 = 379,217.24/x
  3. Step 3: Cross multiply
    550,399.38x = 824,524.68 × 379,217.24
  4. Step 4: Simplify right side
    550,399.38x = 312,673,973,852.89
  5. Step 5: Solve for x
    x = 312,673,973,852.89/550,399.38
  6. Step 6: Final answer
    x = 568,085.63

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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.