Home / 1,378,185.92-1,901,744.35-826,872.38

Finding the Fourth Proportional to 1,378,185.92, 1,901,744.35 and 826,872.38

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Solution

The fourth proportional to 1,378,185.92, 1,901,744.35 and 826,872.38 is: 1,140,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,185.92 : 1,901,744.35 = 826,872.38 : x
  2. Step 2: Convert to fraction form
    1,378,185.92/1,901,744.35 = 826,872.38/x
  3. Step 3: Cross multiply
    1,378,185.92x = 1,901,744.35 × 826,872.38
  4. Step 4: Simplify right side
    1,378,185.92x = 1,572,499,865,260.15
  5. Step 5: Solve for x
    x = 1,572,499,865,260.15/1,378,185.92
  6. Step 6: Final answer
    x = 1,140,992.55

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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.