Home / 1,192,138.93-1,645,194.99-682,939.72

Finding the Fourth Proportional to 1,192,138.93, 1,645,194.99 and 682,939.72

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Solution

The fourth proportional to 1,192,138.93, 1,645,194.99 and 682,939.72 is: 942,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,138.93 : 1,645,194.99 = 682,939.72 : x
  2. Step 2: Convert to fraction form
    1,192,138.93/1,645,194.99 = 682,939.72/x
  3. Step 3: Cross multiply
    1,192,138.93x = 1,645,194.99 × 682,939.72
  4. Step 4: Simplify right side
    1,192,138.93x = 1,123,569,005,816.00
  5. Step 5: Solve for x
    x = 1,123,569,005,816.00/1,192,138.93
  6. Step 6: Final answer
    x = 942,481.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.