Home / 1,727,016.40-2,589,295.80-661,646.80

Finding the Fourth Proportional to 1,727,016.40, 2,589,295.80 and 661,646.80

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Solution

The fourth proportional to 1,727,016.40, 2,589,295.80 and 661,646.80 is: 991,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,016.40 : 2,589,295.80 = 661,646.80 : x
  2. Step 2: Convert to fraction form
    1,727,016.40/2,589,295.80 = 661,646.80/x
  3. Step 3: Cross multiply
    1,727,016.40x = 2,589,295.80 × 661,646.80
  4. Step 4: Simplify right side
    1,727,016.40x = 1,713,199,280,323.44
  5. Step 5: Solve for x
    x = 1,713,199,280,323.44/1,727,016.40
  6. Step 6: Final answer
    x = 991,999.43

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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.