Home / 1,194,010.20-1,787,078.70-839,716.20

Finding the Fourth Proportional to 1,194,010.20, 1,787,078.70 and 839,716.20

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Solution

The fourth proportional to 1,194,010.20, 1,787,078.70 and 839,716.20 is: 1,256,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,010.20 : 1,787,078.70 = 839,716.20 : x
  2. Step 2: Convert to fraction form
    1,194,010.20/1,787,078.70 = 839,716.20/x
  3. Step 3: Cross multiply
    1,194,010.20x = 1,787,078.70 × 839,716.20
  4. Step 4: Simplify right side
    1,194,010.20x = 1,500,638,935,064.94
  5. Step 5: Solve for x
    x = 1,500,638,935,064.94/1,194,010.20
  6. Step 6: Final answer
    x = 1,256,805.79

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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.