Home / 1,814,879.43-2,722,111.77-485,287.11

Finding the Fourth Proportional to 1,814,879.43, 2,722,111.77 and 485,287.11

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Solution

The fourth proportional to 1,814,879.43, 2,722,111.77 and 485,287.11 is: 727,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,879.43 : 2,722,111.77 = 485,287.11 : x
  2. Step 2: Convert to fraction form
    1,814,879.43/2,722,111.77 = 485,287.11/x
  3. Step 3: Cross multiply
    1,814,879.43x = 2,722,111.77 × 485,287.11
  4. Step 4: Simplify right side
    1,814,879.43x = 1,321,005,753,960.28
  5. Step 5: Solve for x
    x = 1,321,005,753,960.28/1,814,879.43
  6. Step 6: Final answer
    x = 727,875.21

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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.