Home / 1,266,398.58-1,747,632.82-685,627.80

Finding the Fourth Proportional to 1,266,398.58, 1,747,632.82 and 685,627.80

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Solution

The fourth proportional to 1,266,398.58, 1,747,632.82 and 685,627.80 is: 946,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,398.58 : 1,747,632.82 = 685,627.80 : x
  2. Step 2: Convert to fraction form
    1,266,398.58/1,747,632.82 = 685,627.80/x
  3. Step 3: Cross multiply
    1,266,398.58x = 1,747,632.82 × 685,627.80
  4. Step 4: Simplify right side
    1,266,398.58x = 1,198,225,645,584.40
  5. Step 5: Solve for x
    x = 1,198,225,645,584.40/1,266,398.58
  6. Step 6: Final answer
    x = 946,167.87

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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.