Home / 1,229,591.73-1,696,833.18-685,728.03

Finding the Fourth Proportional to 1,229,591.73, 1,696,833.18 and 685,728.03

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Solution

The fourth proportional to 1,229,591.73, 1,696,833.18 and 685,728.03 is: 946,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,591.73 : 1,696,833.18 = 685,728.03 : x
  2. Step 2: Convert to fraction form
    1,229,591.73/1,696,833.18 = 685,728.03/x
  3. Step 3: Cross multiply
    1,229,591.73x = 1,696,833.18 × 685,728.03
  4. Step 4: Simplify right side
    1,229,591.73x = 1,163,566,073,760.04
  5. Step 5: Solve for x
    x = 1,163,566,073,760.04/1,229,591.73
  6. Step 6: Final answer
    x = 946,302.78

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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.