Home / 1,178,218.92-1,766,686.02-419,942.28

Finding the Fourth Proportional to 1,178,218.92, 1,766,686.02 and 419,942.28

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Solution

The fourth proportional to 1,178,218.92, 1,766,686.02 and 419,942.28 is: 629,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,218.92 : 1,766,686.02 = 419,942.28 : x
  2. Step 2: Convert to fraction form
    1,178,218.92/1,766,686.02 = 419,942.28/x
  3. Step 3: Cross multiply
    1,178,218.92x = 1,766,686.02 × 419,942.28
  4. Step 4: Simplify right side
    1,178,218.92x = 741,906,155,282.93
  5. Step 5: Solve for x
    x = 741,906,155,282.93/1,178,218.92
  6. Step 6: Final answer
    x = 629,684.47

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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.