Home / 1,253,032.11-1,729,185.57-680,072.54

Finding the Fourth Proportional to 1,253,032.11, 1,729,185.57 and 680,072.54

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Solution

The fourth proportional to 1,253,032.11, 1,729,185.57 and 680,072.54 is: 938,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,032.11 : 1,729,185.57 = 680,072.54 : x
  2. Step 2: Convert to fraction form
    1,253,032.11/1,729,185.57 = 680,072.54/x
  3. Step 3: Cross multiply
    1,253,032.11x = 1,729,185.57 × 680,072.54
  4. Step 4: Simplify right side
    1,253,032.11x = 1,175,971,614,075.32
  5. Step 5: Solve for x
    x = 1,175,971,614,075.32/1,253,032.11
  6. Step 6: Final answer
    x = 938,500.78

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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.