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Finding the Fourth Proportional to 986,793.14, 1,361,801.06 and 599,476.78

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Solution

The fourth proportional to 986,793.14, 1,361,801.06 and 599,476.78 is: 827,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,793.14 : 1,361,801.06 = 599,476.78 : x
  2. Step 2: Convert to fraction form
    986,793.14/1,361,801.06 = 599,476.78/x
  3. Step 3: Cross multiply
    986,793.14x = 1,361,801.06 × 599,476.78
  4. Step 4: Simplify right side
    986,793.14x = 816,368,114,449.39
  5. Step 5: Solve for x
    x = 816,368,114,449.39/986,793.14
  6. Step 6: Final answer
    x = 827,294.07

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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.