Home / 889,963.65-1,338,733.77-806,727.57

Finding the Fourth Proportional to 889,963.65, 1,338,733.77 and 806,727.57

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Solution

The fourth proportional to 889,963.65, 1,338,733.77 and 806,727.57 is: 1,213,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,963.65 : 1,338,733.77 = 806,727.57 : x
  2. Step 2: Convert to fraction form
    889,963.65/1,338,733.77 = 806,727.57/x
  3. Step 3: Cross multiply
    889,963.65x = 1,338,733.77 × 806,727.57
  4. Step 4: Simplify right side
    889,963.65x = 1,079,993,441,149.04
  5. Step 5: Solve for x
    x = 1,079,993,441,149.04/889,963.65
  6. Step 6: Final answer
    x = 1,213,525.34

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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.