Home / 1,619,108-2,428,778.64-621,836

Finding the Fourth Proportional to 1,619,108, 2,428,778.64 and 621,836

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Solution

The fourth proportional to 1,619,108, 2,428,778.64 and 621,836 is: 932,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,108 : 2,428,778.64 = 621,836 : x
  2. Step 2: Convert to fraction form
    1,619,108/2,428,778.64 = 621,836/x
  3. Step 3: Cross multiply
    1,619,108x = 2,428,778.64 × 621,836
  4. Step 4: Simplify right side
    1,619,108x = 1,510,301,994,383.04
  5. Step 5: Solve for x
    x = 1,510,301,994,383.04/1,619,108
  6. Step 6: Final answer
    x = 932,798.80

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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.