Home / 1,291,244.20-1,936,283.10-580,906.60

Finding the Fourth Proportional to 1,291,244.20, 1,936,283.10 and 580,906.60

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Solution

The fourth proportional to 1,291,244.20, 1,936,283.10 and 580,906.60 is: 871,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,244.20 : 1,936,283.10 = 580,906.60 : x
  2. Step 2: Convert to fraction form
    1,291,244.20/1,936,283.10 = 580,906.60/x
  3. Step 3: Cross multiply
    1,291,244.20x = 1,936,283.10 × 580,906.60
  4. Step 4: Simplify right side
    1,291,244.20x = 1,124,799,632,258.46
  5. Step 5: Solve for x
    x = 1,124,799,632,258.46/1,291,244.20
  6. Step 6: Final answer
    x = 871,097.53

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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.