Home / 1,238,436.38-1,857,839.26-439,651.04

Finding the Fourth Proportional to 1,238,436.38, 1,857,839.26 and 439,651.04

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Solution

The fourth proportional to 1,238,436.38, 1,857,839.26 and 439,651.04 is: 659,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,436.38 : 1,857,839.26 = 439,651.04 : x
  2. Step 2: Convert to fraction form
    1,238,436.38/1,857,839.26 = 439,651.04/x
  3. Step 3: Cross multiply
    1,238,436.38x = 1,857,839.26 × 439,651.04
  4. Step 4: Simplify right side
    1,238,436.38x = 816,800,962,811.83
  5. Step 5: Solve for x
    x = 816,800,962,811.83/1,238,436.38
  6. Step 6: Final answer
    x = 659,542.13

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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.