Home / 1,266,619.14-1,747,937.07-685,848.60

Finding the Fourth Proportional to 1,266,619.14, 1,747,937.07 and 685,848.60

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Solution

The fourth proportional to 1,266,619.14, 1,747,937.07 and 685,848.60 is: 946,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,619.14 : 1,747,937.07 = 685,848.60 : x
  2. Step 2: Convert to fraction form
    1,266,619.14/1,747,937.07 = 685,848.60/x
  3. Step 3: Cross multiply
    1,266,619.14x = 1,747,937.07 × 685,848.60
  4. Step 4: Simplify right side
    1,266,619.14x = 1,198,820,192,347.60
  5. Step 5: Solve for x
    x = 1,198,820,192,347.60/1,266,619.14
  6. Step 6: Final answer
    x = 946,472.51

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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.