Home / 1,283,640.45-1,922,692.47-1,208,183.07

Finding the Fourth Proportional to 1,283,640.45, 1,922,692.47 and 1,208,183.07

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Solution

The fourth proportional to 1,283,640.45, 1,922,692.47 and 1,208,183.07 is: 1,809,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,640.45 : 1,922,692.47 = 1,208,183.07 : x
  2. Step 2: Convert to fraction form
    1,283,640.45/1,922,692.47 = 1,208,183.07/x
  3. Step 3: Cross multiply
    1,283,640.45x = 1,922,692.47 × 1,208,183.07
  4. Step 4: Simplify right side
    1,283,640.45x = 2,322,964,491,070.48
  5. Step 5: Solve for x
    x = 2,322,964,491,070.48/1,283,640.45
  6. Step 6: Final answer
    x = 1,809,669.13

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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.