Home / 1,890,928.38-2,836,417.14-628,755.96

Finding the Fourth Proportional to 1,890,928.38, 2,836,417.14 and 628,755.96

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Solution

The fourth proportional to 1,890,928.38, 2,836,417.14 and 628,755.96 is: 943,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,928.38 : 2,836,417.14 = 628,755.96 : x
  2. Step 2: Convert to fraction form
    1,890,928.38/2,836,417.14 = 628,755.96/x
  3. Step 3: Cross multiply
    1,890,928.38x = 2,836,417.14 × 628,755.96
  4. Step 4: Simplify right side
    1,890,928.38x = 1,783,414,181,821.15
  5. Step 5: Solve for x
    x = 1,783,414,181,821.15/1,890,928.38
  6. Step 6: Final answer
    x = 943,142.11

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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.