Home / 1,253,133.39-1,729,277.85-680,161.26

Finding the Fourth Proportional to 1,253,133.39, 1,729,277.85 and 680,161.26

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Solution

The fourth proportional to 1,253,133.39, 1,729,277.85 and 680,161.26 is: 938,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,133.39 : 1,729,277.85 = 680,161.26 : x
  2. Step 2: Convert to fraction form
    1,253,133.39/1,729,277.85 = 680,161.26/x
  3. Step 3: Cross multiply
    1,253,133.39x = 1,729,277.85 × 680,161.26
  4. Step 4: Simplify right side
    1,253,133.39x = 1,176,187,801,346.09
  5. Step 5: Solve for x
    x = 1,176,187,801,346.09/1,253,133.39
  6. Step 6: Final answer
    x = 938,597.45

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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.