Home / 1,419,621.80-1,959,052.38-807,761.30

Finding the Fourth Proportional to 1,419,621.80, 1,959,052.38 and 807,761.30

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Solution

The fourth proportional to 1,419,621.80, 1,959,052.38 and 807,761.30 is: 1,114,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,621.80 : 1,959,052.38 = 807,761.30 : x
  2. Step 2: Convert to fraction form
    1,419,621.80/1,959,052.38 = 807,761.30/x
  3. Step 3: Cross multiply
    1,419,621.80x = 1,959,052.38 × 807,761.30
  4. Step 4: Simplify right side
    1,419,621.80x = 1,582,446,697,236.89
  5. Step 5: Solve for x
    x = 1,582,446,697,236.89/1,419,621.80
  6. Step 6: Final answer
    x = 1,114,695.97

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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.