Home / 1,222,622.77-1,831,548.43-800,619.25

Finding the Fourth Proportional to 1,222,622.77, 1,831,548.43 and 800,619.25

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Solution

The fourth proportional to 1,222,622.77, 1,831,548.43 and 800,619.25 is: 1,199,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,622.77 : 1,831,548.43 = 800,619.25 : x
  2. Step 2: Convert to fraction form
    1,222,622.77/1,831,548.43 = 800,619.25/x
  3. Step 3: Cross multiply
    1,222,622.77x = 1,831,548.43 × 800,619.25
  4. Step 4: Simplify right side
    1,222,622.77x = 1,466,372,930,365.28
  5. Step 5: Solve for x
    x = 1,466,372,930,365.28/1,222,622.77
  6. Step 6: Final answer
    x = 1,199,366.61

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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.