Home / 439,198.11-605,851.29-303,303.42

Finding the Fourth Proportional to 439,198.11, 605,851.29 and 303,303.42

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Solution

The fourth proportional to 439,198.11, 605,851.29 and 303,303.42 is: 418,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,198.11 : 605,851.29 = 303,303.42 : x
  2. Step 2: Convert to fraction form
    439,198.11/605,851.29 = 303,303.42/x
  3. Step 3: Cross multiply
    439,198.11x = 605,851.29 × 303,303.42
  4. Step 4: Simplify right side
    439,198.11x = 183,756,768,268.41
  5. Step 5: Solve for x
    x = 183,756,768,268.41/439,198.11
  6. Step 6: Final answer
    x = 418,391.53

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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.