Home / 986,789.13-1,361,795.54-599,472.78

Finding the Fourth Proportional to 986,789.13, 1,361,795.54 and 599,472.78

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Solution

The fourth proportional to 986,789.13, 1,361,795.54 and 599,472.78 is: 827,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,789.13 : 1,361,795.54 = 599,472.78 : x
  2. Step 2: Convert to fraction form
    986,789.13/1,361,795.54 = 599,472.78/x
  3. Step 3: Cross multiply
    986,789.13x = 1,361,795.54 × 599,472.78
  4. Step 4: Simplify right side
    986,789.13x = 816,359,355,158.04
  5. Step 5: Solve for x
    x = 816,359,355,158.04/986,789.13
  6. Step 6: Final answer
    x = 827,288.56

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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.