Home / 543,207.92-749,764.73-371,195.51

Finding the Fourth Proportional to 543,207.92, 749,764.73 and 371,195.51

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Solution

The fourth proportional to 543,207.92, 749,764.73 and 371,195.51 is: 512,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,207.92 : 749,764.73 = 371,195.51 : x
  2. Step 2: Convert to fraction form
    543,207.92/749,764.73 = 371,195.51/x
  3. Step 3: Cross multiply
    543,207.92x = 749,764.73 × 371,195.51
  4. Step 4: Simplify right side
    543,207.92x = 278,309,295,727.56
  5. Step 5: Solve for x
    x = 278,309,295,727.56/543,207.92
  6. Step 6: Final answer
    x = 512,343.96

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1.5x scale

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.