Home / 1,890,885.38-2,836,352.77-628,713

Finding the Fourth Proportional to 1,890,885.38, 2,836,352.77 and 628,713

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Solution

The fourth proportional to 1,890,885.38, 2,836,352.77 and 628,713 is: 943,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,885.38 : 2,836,352.77 = 628,713 : x
  2. Step 2: Convert to fraction form
    1,890,885.38/2,836,352.77 = 628,713/x
  3. Step 3: Cross multiply
    1,890,885.38x = 2,836,352.77 × 628,713
  4. Step 4: Simplify right side
    1,890,885.38x = 1,783,251,857,513.23
  5. Step 5: Solve for x
    x = 1,783,251,857,513.23/1,890,885.38
  6. Step 6: Final answer
    x = 943,077.71

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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.