Home / 538,540.71-743,228.91-296,866.28

Finding the Fourth Proportional to 538,540.71, 743,228.91 and 296,866.28

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Solution

The fourth proportional to 538,540.71, 743,228.91 and 296,866.28 is: 409,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,540.71 : 743,228.91 = 296,866.28 : x
  2. Step 2: Convert to fraction form
    538,540.71/743,228.91 = 296,866.28/x
  3. Step 3: Cross multiply
    538,540.71x = 743,228.91 × 296,866.28
  4. Step 4: Simplify right side
    538,540.71x = 220,639,597,984.01
  5. Step 5: Solve for x
    x = 220,639,597,984.01/538,540.71
  6. Step 6: Final answer
    x = 409,699.01

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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.