Home / 331,424.06-457,219.68-223,954.88

Finding the Fourth Proportional to 331,424.06, 457,219.68 and 223,954.88

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Solution

The fourth proportional to 331,424.06, 457,219.68 and 223,954.88 is: 308,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,424.06 : 457,219.68 = 223,954.88 : x
  2. Step 2: Convert to fraction form
    331,424.06/457,219.68 = 223,954.88/x
  3. Step 3: Cross multiply
    331,424.06x = 457,219.68 × 223,954.88
  4. Step 4: Simplify right side
    331,424.06x = 102,396,576,281.94
  5. Step 5: Solve for x
    x = 102,396,576,281.94/331,424.06
  6. Step 6: Final answer
    x = 308,959.40

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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.