Home / 1,208,553.96-1,667,769.30-664,687.56

Finding the Fourth Proportional to 1,208,553.96, 1,667,769.30 and 664,687.56

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Solution

The fourth proportional to 1,208,553.96, 1,667,769.30 and 664,687.56 is: 917,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,553.96 : 1,667,769.30 = 664,687.56 : x
  2. Step 2: Convert to fraction form
    1,208,553.96/1,667,769.30 = 664,687.56/x
  3. Step 3: Cross multiply
    1,208,553.96x = 1,667,769.30 × 664,687.56
  4. Step 4: Simplify right side
    1,208,553.96x = 1,108,545,506,659.91
  5. Step 5: Solve for x
    x = 1,108,545,506,659.91/1,208,553.96
  6. Step 6: Final answer
    x = 917,249.49

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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.