Home / 1,395,786.87-2,093,681.25-449,157.42

Finding the Fourth Proportional to 1,395,786.87, 2,093,681.25 and 449,157.42

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Solution

The fourth proportional to 1,395,786.87, 2,093,681.25 and 449,157.42 is: 673,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,786.87 : 2,093,681.25 = 449,157.42 : x
  2. Step 2: Convert to fraction form
    1,395,786.87/2,093,681.25 = 449,157.42/x
  3. Step 3: Cross multiply
    1,395,786.87x = 2,093,681.25 × 449,157.42
  4. Step 4: Simplify right side
    1,395,786.87x = 940,392,468,552.38
  5. Step 5: Solve for x
    x = 940,392,468,552.38/1,395,786.87
  6. Step 6: Final answer
    x = 673,736.43

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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.