Home / 1,222,623.27-1,831,549.19-800,619.75

Finding the Fourth Proportional to 1,222,623.27, 1,831,549.19 and 800,619.75

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Solution

The fourth proportional to 1,222,623.27, 1,831,549.19 and 800,619.75 is: 1,199,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,623.27 : 1,831,549.19 = 800,619.75 : x
  2. Step 2: Convert to fraction form
    1,222,623.27/1,831,549.19 = 800,619.75/x
  3. Step 3: Cross multiply
    1,222,623.27x = 1,831,549.19 × 800,619.75
  4. Step 4: Simplify right side
    1,222,623.27x = 1,466,374,450,607.40
  5. Step 5: Solve for x
    x = 1,466,374,450,607.40/1,222,623.27
  6. Step 6: Final answer
    x = 1,199,367.37

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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.