Home / 868,190.11-1,302,334.38-269,236.42

Finding the Fourth Proportional to 868,190.11, 1,302,334.38 and 269,236.42

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Solution

The fourth proportional to 868,190.11, 1,302,334.38 and 269,236.42 is: 403,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,190.11 : 1,302,334.38 = 269,236.42 : x
  2. Step 2: Convert to fraction form
    868,190.11/1,302,334.38 = 269,236.42/x
  3. Step 3: Cross multiply
    868,190.11x = 1,302,334.38 × 269,236.42
  4. Step 4: Simplify right side
    868,190.11x = 350,635,846,114.12
  5. Step 5: Solve for x
    x = 350,635,846,114.12/868,190.11
  6. Step 6: Final answer
    x = 403,869.89

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Double scale
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1.5x scale

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.