Home / 1,342,621.80-2,015,034.30-1,332,124.20

Finding the Fourth Proportional to 1,342,621.80, 2,015,034.30 and 1,332,124.20

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Solution

The fourth proportional to 1,342,621.80, 2,015,034.30 and 1,332,124.20 is: 1,999,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,621.80 : 2,015,034.30 = 1,332,124.20 : x
  2. Step 2: Convert to fraction form
    1,342,621.80/2,015,034.30 = 1,332,124.20/x
  3. Step 3: Cross multiply
    1,342,621.80x = 2,015,034.30 × 1,332,124.20
  4. Step 4: Simplify right side
    1,342,621.80x = 2,684,275,954,860.06
  5. Step 5: Solve for x
    x = 2,684,275,954,860.06/1,342,621.80
  6. Step 6: Final answer
    x = 1,999,279.29

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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.