Home / 1,266,559.33-1,747,838.74-685,772.46

Finding the Fourth Proportional to 1,266,559.33, 1,747,838.74 and 685,772.46

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Solution

The fourth proportional to 1,266,559.33, 1,747,838.74 and 685,772.46 is: 946,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,559.33 : 1,747,838.74 = 685,772.46 : x
  2. Step 2: Convert to fraction form
    1,266,559.33/1,747,838.74 = 685,772.46/x
  3. Step 3: Cross multiply
    1,266,559.33x = 1,747,838.74 × 685,772.46
  4. Step 4: Simplify right side
    1,266,559.33x = 1,198,619,672,413.10
  5. Step 5: Solve for x
    x = 1,198,619,672,413.10/1,266,559.33
  6. Step 6: Final answer
    x = 946,358.88

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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.