Home / 1,191,104.70-1,643,591.05-674,747.97

Finding the Fourth Proportional to 1,191,104.70, 1,643,591.05 and 674,747.97

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Solution

The fourth proportional to 1,191,104.70, 1,643,591.05 and 674,747.97 is: 931,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,104.70 : 1,643,591.05 = 674,747.97 : x
  2. Step 2: Convert to fraction form
    1,191,104.70/1,643,591.05 = 674,747.97/x
  3. Step 3: Cross multiply
    1,191,104.70x = 1,643,591.05 × 674,747.97
  4. Step 4: Simplify right side
    1,191,104.70x = 1,109,009,724,497.67
  5. Step 5: Solve for x
    x = 1,109,009,724,497.67/1,191,104.70
  6. Step 6: Final answer
    x = 931,076.61

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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.