Home / 1,511,721.09-2,086,174.71-832,657.59

Finding the Fourth Proportional to 1,511,721.09, 2,086,174.71 and 832,657.59

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Solution

The fourth proportional to 1,511,721.09, 2,086,174.71 and 832,657.59 is: 1,149,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,721.09 : 2,086,174.71 = 832,657.59 : x
  2. Step 2: Convert to fraction form
    1,511,721.09/2,086,174.71 = 832,657.59/x
  3. Step 3: Cross multiply
    1,511,721.09x = 2,086,174.71 × 832,657.59
  4. Step 4: Simplify right side
    1,511,721.09x = 1,737,069,206,347.55
  5. Step 5: Solve for x
    x = 1,737,069,206,347.55/1,511,721.09
  6. Step 6: Final answer
    x = 1,149,067.26

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