Home / 1,273,906.42-1,910,622.24-409,356.33

Finding the Fourth Proportional to 1,273,906.42, 1,910,622.24 and 409,356.33

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Solution

The fourth proportional to 1,273,906.42, 1,910,622.24 and 409,356.33 is: 613,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,906.42 : 1,910,622.24 = 409,356.33 : x
  2. Step 2: Convert to fraction form
    1,273,906.42/1,910,622.24 = 409,356.33/x
  3. Step 3: Cross multiply
    1,273,906.42x = 1,910,622.24 × 409,356.33
  4. Step 4: Simplify right side
    1,273,906.42x = 782,125,308,182.78
  5. Step 5: Solve for x
    x = 782,125,308,182.78/1,273,906.42
  6. Step 6: Final answer
    x = 613,958.21

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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.