Home / 1,227,805.74-1,694,346.39-683,940.78

Finding the Fourth Proportional to 1,227,805.74, 1,694,346.39 and 683,940.78

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Solution

The fourth proportional to 1,227,805.74, 1,694,346.39 and 683,940.78 is: 943,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,805.74 : 1,694,346.39 = 683,940.78 : x
  2. Step 2: Convert to fraction form
    1,227,805.74/1,694,346.39 = 683,940.78/x
  3. Step 3: Cross multiply
    1,227,805.74x = 1,694,346.39 × 683,940.78
  4. Step 4: Simplify right side
    1,227,805.74x = 1,158,832,591,566.78
  5. Step 5: Solve for x
    x = 1,158,832,591,566.78/1,227,805.74
  6. Step 6: Final answer
    x = 943,824.05

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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.