Home / 1,188,827.14-1,640,581.26-679,540.45

Finding the Fourth Proportional to 1,188,827.14, 1,640,581.26 and 679,540.45

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Solution

The fourth proportional to 1,188,827.14, 1,640,581.26 and 679,540.45 is: 937,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,827.14 : 1,640,581.26 = 679,540.45 : x
  2. Step 2: Convert to fraction form
    1,188,827.14/1,640,581.26 = 679,540.45/x
  3. Step 3: Cross multiply
    1,188,827.14x = 1,640,581.26 × 679,540.45
  4. Step 4: Simplify right side
    1,188,827.14x = 1,114,841,327,681.97
  5. Step 5: Solve for x
    x = 1,114,841,327,681.97/1,188,827.14
  6. Step 6: Final answer
    x = 937,765.71

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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.