Home / 853,982.55-1,279,938.09-627,240.54

Finding the Fourth Proportional to 853,982.55, 1,279,938.09 and 627,240.54

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Solution

The fourth proportional to 853,982.55, 1,279,938.09 and 627,240.54 is: 940,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,982.55 : 1,279,938.09 = 627,240.54 : x
  2. Step 2: Convert to fraction form
    853,982.55/1,279,938.09 = 627,240.54/x
  3. Step 3: Cross multiply
    853,982.55x = 1,279,938.09 × 627,240.54
  4. Step 4: Simplify right side
    853,982.55x = 802,829,058,738.17
  5. Step 5: Solve for x
    x = 802,829,058,738.17/853,982.55
  6. Step 6: Final answer
    x = 940,100.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.