Home / 916,992.82-1,262,834.31-661,940.02

Finding the Fourth Proportional to 916,992.82, 1,262,834.31 and 661,940.02

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Solution

The fourth proportional to 916,992.82, 1,262,834.31 and 661,940.02 is: 911,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,992.82 : 1,262,834.31 = 661,940.02 : x
  2. Step 2: Convert to fraction form
    916,992.82/1,262,834.31 = 661,940.02/x
  3. Step 3: Cross multiply
    916,992.82x = 1,262,834.31 × 661,940.02
  4. Step 4: Simplify right side
    916,992.82x = 835,920,568,418.09
  5. Step 5: Solve for x
    x = 835,920,568,418.09/916,992.82
  6. Step 6: Final answer
    x = 911,589.00

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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.