Home / 1,890,928.26-2,836,416.95-628,755.84

Finding the Fourth Proportional to 1,890,928.26, 2,836,416.95 and 628,755.84

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Solution

The fourth proportional to 1,890,928.26, 2,836,416.95 and 628,755.84 is: 943,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,928.26 : 2,836,416.95 = 628,755.84 : x
  2. Step 2: Convert to fraction form
    1,890,928.26/2,836,416.95 = 628,755.84/x
  3. Step 3: Cross multiply
    1,890,928.26x = 2,836,416.95 × 628,755.84
  4. Step 4: Simplify right side
    1,890,928.26x = 1,783,413,721,987.49
  5. Step 5: Solve for x
    x = 1,783,413,721,987.49/1,890,928.26
  6. Step 6: Final answer
    x = 943,141.93

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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.