Home / 753,562.32-1,039,855.68-431,198.52

Finding the Fourth Proportional to 753,562.32, 1,039,855.68 and 431,198.52

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Solution

The fourth proportional to 753,562.32, 1,039,855.68 and 431,198.52 is: 595,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,562.32 : 1,039,855.68 = 431,198.52 : x
  2. Step 2: Convert to fraction form
    753,562.32/1,039,855.68 = 431,198.52/x
  3. Step 3: Cross multiply
    753,562.32x = 1,039,855.68 × 431,198.52
  4. Step 4: Simplify right side
    753,562.32x = 448,384,230,229.59
  5. Step 5: Solve for x
    x = 448,384,230,229.59/753,562.32
  6. Step 6: Final answer
    x = 595,019.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.