Home / 1,890,951.39-2,836,451.70-628,779

Finding the Fourth Proportional to 1,890,951.39, 2,836,451.70 and 628,779

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Solution

The fourth proportional to 1,890,951.39, 2,836,451.70 and 628,779 is: 943,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,951.39 : 2,836,451.70 = 628,779 : x
  2. Step 2: Convert to fraction form
    1,890,951.39/2,836,451.70 = 628,779/x
  3. Step 3: Cross multiply
    1,890,951.39x = 2,836,451.70 × 628,779
  4. Step 4: Simplify right side
    1,890,951.39x = 1,783,501,263,474.30
  5. Step 5: Solve for x
    x = 1,783,501,263,474.30/1,890,951.39
  6. Step 6: Final answer
    x = 943,176.68

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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.