Home / 1,511,693.16-2,086,136.55-832,629.66

Finding the Fourth Proportional to 1,511,693.16, 2,086,136.55 and 832,629.66

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Solution

The fourth proportional to 1,511,693.16, 2,086,136.55 and 832,629.66 is: 1,149,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,693.16 : 2,086,136.55 = 832,629.66 : x
  2. Step 2: Convert to fraction form
    1,511,693.16/2,086,136.55 = 832,629.66/x
  3. Step 3: Cross multiply
    1,511,693.16x = 2,086,136.55 × 832,629.66
  4. Step 4: Simplify right side
    1,511,693.16x = 1,736,979,166,340.07
  5. Step 5: Solve for x
    x = 1,736,979,166,340.07/1,511,693.16
  6. Step 6: Final answer
    x = 1,149,028.92

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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.