Home / 873,659.26-1,206,021.77-587,345.41

Finding the Fourth Proportional to 873,659.26, 1,206,021.77 and 587,345.41

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Solution

The fourth proportional to 873,659.26, 1,206,021.77 and 587,345.41 is: 810,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,659.26 : 1,206,021.77 = 587,345.41 : x
  2. Step 2: Convert to fraction form
    873,659.26/1,206,021.77 = 587,345.41/x
  3. Step 3: Cross multiply
    873,659.26x = 1,206,021.77 × 587,345.41
  4. Step 4: Simplify right side
    873,659.26x = 708,351,350,969.58
  5. Step 5: Solve for x
    x = 708,351,350,969.58/873,659.26
  6. Step 6: Final answer
    x = 810,786.75

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1.5x scale

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.