Home / 1,266,551.69-1,747,828.23-685,764.83

Finding the Fourth Proportional to 1,266,551.69, 1,747,828.23 and 685,764.83

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Solution

The fourth proportional to 1,266,551.69, 1,747,828.23 and 685,764.83 is: 946,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,551.69 : 1,747,828.23 = 685,764.83 : x
  2. Step 2: Convert to fraction form
    1,266,551.69/1,747,828.23 = 685,764.83/x
  3. Step 3: Cross multiply
    1,266,551.69x = 1,747,828.23 × 685,764.83
  4. Step 4: Simplify right side
    1,266,551.69x = 1,198,599,130,813.10
  5. Step 5: Solve for x
    x = 1,198,599,130,813.10/1,266,551.69
  6. Step 6: Final answer
    x = 946,348.37

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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.