Home / 1,891,309.29-2,836,753.78-676,836.76

Finding the Fourth Proportional to 1,891,309.29, 2,836,753.78 and 676,836.76

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Solution

The fourth proportional to 1,891,309.29, 2,836,753.78 and 676,836.76 is: 1,015,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,309.29 : 2,836,753.78 = 676,836.76 : x
  2. Step 2: Convert to fraction form
    1,891,309.29/2,836,753.78 = 676,836.76/x
  3. Step 3: Cross multiply
    1,891,309.29x = 2,836,753.78 × 676,836.76
  4. Step 4: Simplify right side
    1,891,309.29x = 1,920,019,223,189.18
  5. Step 5: Solve for x
    x = 1,920,019,223,189.18/1,891,309.29
  6. Step 6: Final answer
    x = 1,015,179.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.