Home / 1,067,621.72-1,601,451.09-393,355.94

Finding the Fourth Proportional to 1,067,621.72, 1,601,451.09 and 393,355.94

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Solution

The fourth proportional to 1,067,621.72, 1,601,451.09 and 393,355.94 is: 590,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,621.72 : 1,601,451.09 = 393,355.94 : x
  2. Step 2: Convert to fraction form
    1,067,621.72/1,601,451.09 = 393,355.94/x
  3. Step 3: Cross multiply
    1,067,621.72x = 1,601,451.09 × 393,355.94
  4. Step 4: Simplify right side
    1,067,621.72x = 629,940,290,863.72
  5. Step 5: Solve for x
    x = 629,940,290,863.72/1,067,621.72
  6. Step 6: Final answer
    x = 590,040.73

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1.5x scale

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.