Home / 538,711.23-743,426.31-297,002.37

Finding the Fourth Proportional to 538,711.23, 743,426.31 and 297,002.37

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Solution

The fourth proportional to 538,711.23, 743,426.31 and 297,002.37 is: 409,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,711.23 : 743,426.31 = 297,002.37 : x
  2. Step 2: Convert to fraction form
    538,711.23/743,426.31 = 297,002.37/x
  3. Step 3: Cross multiply
    538,711.23x = 743,426.31 × 297,002.37
  4. Step 4: Simplify right side
    538,711.23x = 220,799,375,990.36
  5. Step 5: Solve for x
    x = 220,799,375,990.36/538,711.23
  6. Step 6: Final answer
    x = 409,865.92

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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.