Home / 809,474.11-1,214,194.48-269,769.56

Finding the Fourth Proportional to 809,474.11, 1,214,194.48 and 269,769.56

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Solution

The fourth proportional to 809,474.11, 1,214,194.48 and 269,769.56 is: 404,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,474.11 : 1,214,194.48 = 269,769.56 : x
  2. Step 2: Convert to fraction form
    809,474.11/1,214,194.48 = 269,769.56/x
  3. Step 3: Cross multiply
    809,474.11x = 1,214,194.48 × 269,769.56
  4. Step 4: Simplify right side
    809,474.11x = 327,552,703,878.63
  5. Step 5: Solve for x
    x = 327,552,703,878.63/809,474.11
  6. Step 6: Final answer
    x = 404,648.77

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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.