Home / 538,698.96-743,371.20-296,969.04

Finding the Fourth Proportional to 538,698.96, 743,371.20 and 296,969.04

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Solution

The fourth proportional to 538,698.96, 743,371.20 and 296,969.04 is: 409,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,698.96 : 743,371.20 = 296,969.04 : x
  2. Step 2: Convert to fraction form
    538,698.96/743,371.20 = 296,969.04/x
  3. Step 3: Cross multiply
    538,698.96x = 743,371.20 × 296,969.04
  4. Step 4: Simplify right side
    538,698.96x = 220,758,231,627.65
  5. Step 5: Solve for x
    x = 220,758,231,627.65/538,698.96
  6. Step 6: Final answer
    x = 409,798.88

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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.