Home / 485,046.44-669,123.36-324,117.32

Finding the Fourth Proportional to 485,046.44, 669,123.36 and 324,117.32

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Solution

The fourth proportional to 485,046.44, 669,123.36 and 324,117.32 is: 447,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,046.44 : 669,123.36 = 324,117.32 : x
  2. Step 2: Convert to fraction form
    485,046.44/669,123.36 = 324,117.32/x
  3. Step 3: Cross multiply
    485,046.44x = 669,123.36 × 324,117.32
  4. Step 4: Simplify right side
    485,046.44x = 216,874,470,192.60
  5. Step 5: Solve for x
    x = 216,874,470,192.60/485,046.44
  6. Step 6: Final answer
    x = 447,121.04

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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.