Home / 485,044.44-669,120.60-324,115.32

Finding the Fourth Proportional to 485,044.44, 669,120.60 and 324,115.32

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Solution

The fourth proportional to 485,044.44, 669,120.60 and 324,115.32 is: 447,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,044.44 : 669,120.60 = 324,115.32 : x
  2. Step 2: Convert to fraction form
    485,044.44/669,120.60 = 324,115.32/x
  3. Step 3: Cross multiply
    485,044.44x = 669,120.60 × 324,115.32
  4. Step 4: Simplify right side
    485,044.44x = 216,872,237,387.59
  5. Step 5: Solve for x
    x = 216,872,237,387.59/485,044.44
  6. Step 6: Final answer
    x = 447,118.28

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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.