Home / 1,086,218.42-1,629,470.59-403,012.22

Finding the Fourth Proportional to 1,086,218.42, 1,629,470.59 and 403,012.22

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Solution

The fourth proportional to 1,086,218.42, 1,629,470.59 and 403,012.22 is: 604,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,218.42 : 1,629,470.59 = 403,012.22 : x
  2. Step 2: Convert to fraction form
    1,086,218.42/1,629,470.59 = 403,012.22/x
  3. Step 3: Cross multiply
    1,086,218.42x = 1,629,470.59 × 403,012.22
  4. Step 4: Simplify right side
    1,086,218.42x = 656,696,550,745.73
  5. Step 5: Solve for x
    x = 656,696,550,745.73/1,086,218.42
  6. Step 6: Final answer
    x = 604,571.37

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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.