Home / 1,067,896.82-1,601,803.64-393,686.43

Finding the Fourth Proportional to 1,067,896.82, 1,601,803.64 and 393,686.43

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Solution

The fourth proportional to 1,067,896.82, 1,601,803.64 and 393,686.43 is: 590,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,896.82 : 1,601,803.64 = 393,686.43 : x
  2. Step 2: Convert to fraction form
    1,067,896.82/1,601,803.64 = 393,686.43/x
  3. Step 3: Cross multiply
    1,067,896.82x = 1,601,803.64 × 393,686.43
  4. Step 4: Simplify right side
    1,067,896.82x = 630,608,357,576.82
  5. Step 5: Solve for x
    x = 630,608,357,576.82/1,067,896.82
  6. Step 6: Final answer
    x = 590,514.32

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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.