Home / 998,769.49-1,377,728.90-568,969.31

Finding the Fourth Proportional to 998,769.49, 1,377,728.90 and 568,969.31

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Solution

The fourth proportional to 998,769.49, 1,377,728.90 and 568,969.31 is: 784,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,769.49 : 1,377,728.90 = 568,969.31 : x
  2. Step 2: Convert to fraction form
    998,769.49/1,377,728.90 = 568,969.31/x
  3. Step 3: Cross multiply
    998,769.49x = 1,377,728.90 × 568,969.31
  4. Step 4: Simplify right side
    998,769.49x = 783,885,464,333.17
  5. Step 5: Solve for x
    x = 783,885,464,333.17/998,769.49
  6. Step 6: Final answer
    x = 784,851.23

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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.