Home / 1,266,083.60-1,747,195.08-685,306.62

Finding the Fourth Proportional to 1,266,083.60, 1,747,195.08 and 685,306.62

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Solution

The fourth proportional to 1,266,083.60, 1,747,195.08 and 685,306.62 is: 945,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,083.60 : 1,747,195.08 = 685,306.62 : x
  2. Step 2: Convert to fraction form
    1,266,083.60/1,747,195.08 = 685,306.62/x
  3. Step 3: Cross multiply
    1,266,083.60x = 1,747,195.08 × 685,306.62
  4. Step 4: Simplify right side
    1,266,083.60x = 1,197,364,348,203.45
  5. Step 5: Solve for x
    x = 1,197,364,348,203.45/1,266,083.60
  6. Step 6: Final answer
    x = 945,722.97

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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.