Home / 538,513.20-743,117.89-296,795.03

Finding the Fourth Proportional to 538,513.20, 743,117.89 and 296,795.03

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Solution

The fourth proportional to 538,513.20, 743,117.89 and 296,795.03 is: 409,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,513.20 : 743,117.89 = 296,795.03 : x
  2. Step 2: Convert to fraction form
    538,513.20/743,117.89 = 296,795.03/x
  3. Step 3: Cross multiply
    538,513.20x = 743,117.89 × 296,795.03
  4. Step 4: Simplify right side
    538,513.20x = 220,553,696,456.09
  5. Step 5: Solve for x
    x = 220,553,696,456.09/538,513.20
  6. Step 6: Final answer
    x = 409,560.43

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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.