Home / 1,691,105.04-2,333,747.70-927,156.78

Finding the Fourth Proportional to 1,691,105.04, 2,333,747.70 and 927,156.78

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Solution

The fourth proportional to 1,691,105.04, 2,333,747.70 and 927,156.78 is: 1,279,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,105.04 : 2,333,747.70 = 927,156.78 : x
  2. Step 2: Convert to fraction form
    1,691,105.04/2,333,747.70 = 927,156.78/x
  3. Step 3: Cross multiply
    1,691,105.04x = 2,333,747.70 × 927,156.78
  4. Step 4: Simplify right side
    1,691,105.04x = 2,163,750,002,864.41
  5. Step 5: Solve for x
    x = 2,163,750,002,864.41/1,691,105.04
  6. Step 6: Final answer
    x = 1,279,488.83

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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.