Home / 1,266,532.47-1,747,817.37-685,761.93

Finding the Fourth Proportional to 1,266,532.47, 1,747,817.37 and 685,761.93

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Solution

The fourth proportional to 1,266,532.47, 1,747,817.37 and 685,761.93 is: 946,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,532.47 : 1,747,817.37 = 685,761.93 : x
  2. Step 2: Convert to fraction form
    1,266,532.47/1,747,817.37 = 685,761.93/x
  3. Step 3: Cross multiply
    1,266,532.47x = 1,747,817.37 × 685,761.93
  4. Step 4: Simplify right side
    1,266,532.47x = 1,198,586,612,938.72
  5. Step 5: Solve for x
    x = 1,198,586,612,938.72/1,266,532.47
  6. Step 6: Final answer
    x = 946,352.85

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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.