Home / 1,890,884.81-2,836,351.92-628,712.44

Finding the Fourth Proportional to 1,890,884.81, 2,836,351.92 and 628,712.44

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Solution

The fourth proportional to 1,890,884.81, 2,836,351.92 and 628,712.44 is: 943,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,884.81 : 2,836,351.92 = 628,712.44 : x
  2. Step 2: Convert to fraction form
    1,890,884.81/2,836,351.92 = 628,712.44/x
  3. Step 3: Cross multiply
    1,890,884.81x = 2,836,351.92 × 628,712.44
  4. Step 4: Simplify right side
    1,890,884.81x = 1,783,249,731,588.68
  5. Step 5: Solve for x
    x = 1,783,249,731,588.68/1,890,884.81
  6. Step 6: Final answer
    x = 943,076.87

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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.