Home / 1,181,078.33-1,629,888.48-691,142.02

Finding the Fourth Proportional to 1,181,078.33, 1,629,888.48 and 691,142.02

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Solution

The fourth proportional to 1,181,078.33, 1,629,888.48 and 691,142.02 is: 953,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,078.33 : 1,629,888.48 = 691,142.02 : x
  2. Step 2: Convert to fraction form
    1,181,078.33/1,629,888.48 = 691,142.02/x
  3. Step 3: Cross multiply
    1,181,078.33x = 1,629,888.48 × 691,142.02
  4. Step 4: Simplify right side
    1,181,078.33x = 1,126,484,412,367.21
  5. Step 5: Solve for x
    x = 1,126,484,412,367.21/1,181,078.33
  6. Step 6: Final answer
    x = 953,776.21

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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.