Home / 1,253,028.03-1,729,180.37-680,068.21

Finding the Fourth Proportional to 1,253,028.03, 1,729,180.37 and 680,068.21

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Solution

The fourth proportional to 1,253,028.03, 1,729,180.37 and 680,068.21 is: 938,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,028.03 : 1,729,180.37 = 680,068.21 : x
  2. Step 2: Convert to fraction form
    1,253,028.03/1,729,180.37 = 680,068.21/x
  3. Step 3: Cross multiply
    1,253,028.03x = 1,729,180.37 × 680,068.21
  4. Step 4: Simplify right side
    1,253,028.03x = 1,175,960,598,993.04
  5. Step 5: Solve for x
    x = 1,175,960,598,993.04/1,253,028.03
  6. Step 6: Final answer
    x = 938,495.05

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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.