Home / 410,834.76-615,829.32-200,212.08

Finding the Fourth Proportional to 410,834.76, 615,829.32 and 200,212.08

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Solution

The fourth proportional to 410,834.76, 615,829.32 and 200,212.08 is: 300,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,834.76 : 615,829.32 = 200,212.08 : x
  2. Step 2: Convert to fraction form
    410,834.76/615,829.32 = 200,212.08/x
  3. Step 3: Cross multiply
    410,834.76x = 615,829.32 × 200,212.08
  4. Step 4: Simplify right side
    410,834.76x = 123,296,469,082.19
  5. Step 5: Solve for x
    x = 123,296,469,082.19/410,834.76
  6. Step 6: Final answer
    x = 300,112.07

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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.