Home / 1,619,100-2,428,766.64-621,828

Finding the Fourth Proportional to 1,619,100, 2,428,766.64 and 621,828

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Solution

The fourth proportional to 1,619,100, 2,428,766.64 and 621,828 is: 932,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,100 : 2,428,766.64 = 621,828 : x
  2. Step 2: Convert to fraction form
    1,619,100/2,428,766.64 = 621,828/x
  3. Step 3: Cross multiply
    1,619,100x = 2,428,766.64 × 621,828
  4. Step 4: Simplify right side
    1,619,100x = 1,510,275,102,217.92
  5. Step 5: Solve for x
    x = 1,510,275,102,217.92/1,619,100
  6. Step 6: Final answer
    x = 932,786.80

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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.