Home / 1,249,208.82-1,873,813.00-681,067.69

Finding the Fourth Proportional to 1,249,208.82, 1,873,813.00 and 681,067.69

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Solution

The fourth proportional to 1,249,208.82, 1,873,813.00 and 681,067.69 is: 1,021,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,208.82 : 1,873,813.00 = 681,067.69 : x
  2. Step 2: Convert to fraction form
    1,249,208.82/1,873,813.00 = 681,067.69/x
  3. Step 3: Cross multiply
    1,249,208.82x = 1,873,813.00 × 681,067.69
  4. Step 4: Simplify right side
    1,249,208.82x = 1,276,193,489,699.30
  5. Step 5: Solve for x
    x = 1,276,193,489,699.30/1,249,208.82
  6. Step 6: Final answer
    x = 1,021,601.41

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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.