Home / 1,086,218.67-1,629,470.96-403,012.47

Finding the Fourth Proportional to 1,086,218.67, 1,629,470.96 and 403,012.47

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Solution

The fourth proportional to 1,086,218.67, 1,629,470.96 and 403,012.47 is: 604,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,218.67 : 1,629,470.96 = 403,012.47 : x
  2. Step 2: Convert to fraction form
    1,086,218.67/1,629,470.96 = 403,012.47/x
  3. Step 3: Cross multiply
    1,086,218.67x = 1,629,470.96 × 403,012.47
  4. Step 4: Simplify right side
    1,086,218.67x = 656,697,109,243.05
  5. Step 5: Solve for x
    x = 656,697,109,243.05/1,086,218.67
  6. Step 6: Final answer
    x = 604,571.74

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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.