Home / 1,253,119.68-1,729,258.83-680,147.64

Finding the Fourth Proportional to 1,253,119.68, 1,729,258.83 and 680,147.64

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Solution

The fourth proportional to 1,253,119.68, 1,729,258.83 and 680,147.64 is: 938,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,119.68 : 1,729,258.83 = 680,147.64 : x
  2. Step 2: Convert to fraction form
    1,253,119.68/1,729,258.83 = 680,147.64/x
  3. Step 3: Cross multiply
    1,253,119.68x = 1,729,258.83 × 680,147.64
  4. Step 4: Simplify right side
    1,253,119.68x = 1,176,151,312,173.66
  5. Step 5: Solve for x
    x = 1,176,151,312,173.66/1,253,119.68
  6. Step 6: Final answer
    x = 938,578.60

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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.