Home / 481,029.70-663,775.78-325,664.96

Finding the Fourth Proportional to 481,029.70, 663,775.78 and 325,664.96

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Solution

The fourth proportional to 481,029.70, 663,775.78 and 325,664.96 is: 449,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,029.70 : 663,775.78 = 325,664.96 : x
  2. Step 2: Convert to fraction form
    481,029.70/663,775.78 = 325,664.96/x
  3. Step 3: Cross multiply
    481,029.70x = 663,775.78 × 325,664.96
  4. Step 4: Simplify right side
    481,029.70x = 216,168,512,842.67
  5. Step 5: Solve for x
    x = 216,168,512,842.67/481,029.70
  6. Step 6: Final answer
    x = 449,387.04

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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.