Home / 1,728,395.02-2,589,120.06-861,214.33

Finding the Fourth Proportional to 1,728,395.02, 2,589,120.06 and 861,214.33

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Solution

The fourth proportional to 1,728,395.02, 2,589,120.06 and 861,214.33 is: 1,290,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,395.02 : 2,589,120.06 = 861,214.33 : x
  2. Step 2: Convert to fraction form
    1,728,395.02/2,589,120.06 = 861,214.33/x
  3. Step 3: Cross multiply
    1,728,395.02x = 2,589,120.06 × 861,214.33
  4. Step 4: Simplify right side
    1,728,395.02x = 2,229,787,297,762.46
  5. Step 5: Solve for x
    x = 2,229,787,297,762.46/1,728,395.02
  6. Step 6: Final answer
    x = 1,290,091.25

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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.