Home / 1,844,219.20-2,766,717.60-778,712.80

Finding the Fourth Proportional to 1,844,219.20, 2,766,717.60 and 778,712.80

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Solution

The fourth proportional to 1,844,219.20, 2,766,717.60 and 778,712.80 is: 1,168,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844,219.20 : 2,766,717.60 = 778,712.80 : x
  2. Step 2: Convert to fraction form
    1,844,219.20/2,766,717.60 = 778,712.80/x
  3. Step 3: Cross multiply
    1,844,219.20x = 2,766,717.60 × 778,712.80
  4. Step 4: Simplify right side
    1,844,219.20x = 2,154,478,409,105.28
  5. Step 5: Solve for x
    x = 2,154,478,409,105.28/1,844,219.20
  6. Step 6: Final answer
    x = 1,168,233.37

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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.