Home / 325,904.70-488,857.05-211,743.30

Finding the Fourth Proportional to 325,904.70, 488,857.05 and 211,743.30

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Solution

The fourth proportional to 325,904.70, 488,857.05 and 211,743.30 is: 317,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,904.70 : 488,857.05 = 211,743.30 : x
  2. Step 2: Convert to fraction form
    325,904.70/488,857.05 = 211,743.30/x
  3. Step 3: Cross multiply
    325,904.70x = 488,857.05 × 211,743.30
  4. Step 4: Simplify right side
    325,904.70x = 103,512,204,995.27
  5. Step 5: Solve for x
    x = 103,512,204,995.27/325,904.70
  6. Step 6: Final answer
    x = 317,614.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.