Home / 538,425.23-743,031.81-296,716.46

Finding the Fourth Proportional to 538,425.23, 743,031.81 and 296,716.46

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Solution

The fourth proportional to 538,425.23, 743,031.81 and 296,716.46 is: 409,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,425.23 : 743,031.81 = 296,716.46 : x
  2. Step 2: Convert to fraction form
    538,425.23/743,031.81 = 296,716.46/x
  3. Step 3: Cross multiply
    538,425.23x = 743,031.81 × 296,716.46
  4. Step 4: Simplify right side
    538,425.23x = 220,469,764,615.43
  5. Step 5: Solve for x
    x = 220,469,764,615.43/538,425.23
  6. Step 6: Final answer
    x = 409,471.46

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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.