Home / 1,217,945.97-1,680,769.04-674,119.53

Finding the Fourth Proportional to 1,217,945.97, 1,680,769.04 and 674,119.53

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Solution

The fourth proportional to 1,217,945.97, 1,680,769.04 and 674,119.53 is: 930,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,945.97 : 1,680,769.04 = 674,119.53 : x
  2. Step 2: Convert to fraction form
    1,217,945.97/1,680,769.04 = 674,119.53/x
  3. Step 3: Cross multiply
    1,217,945.97x = 1,680,769.04 × 674,119.53
  4. Step 4: Simplify right side
    1,217,945.97x = 1,133,039,231,912.75
  5. Step 5: Solve for x
    x = 1,133,039,231,912.75/1,217,945.97
  6. Step 6: Final answer
    x = 930,286.94

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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.