Home / 538,470.28-743,094.06-296,761.56

Finding the Fourth Proportional to 538,470.28, 743,094.06 and 296,761.56

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Solution

The fourth proportional to 538,470.28, 743,094.06 and 296,761.56 is: 409,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,470.28 : 743,094.06 = 296,761.56 : x
  2. Step 2: Convert to fraction form
    538,470.28/743,094.06 = 296,761.56/x
  3. Step 3: Cross multiply
    538,470.28x = 743,094.06 × 296,761.56
  4. Step 4: Simplify right side
    538,470.28x = 220,521,752,472.33
  5. Step 5: Solve for x
    x = 220,521,752,472.33/538,470.28
  6. Step 6: Final answer
    x = 409,533.75

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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.