Home / 1,890,864-2,836,320.71-628,691.63

Finding the Fourth Proportional to 1,890,864, 2,836,320.71 and 628,691.63

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Solution

The fourth proportional to 1,890,864, 2,836,320.71 and 628,691.63 is: 943,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,864 : 2,836,320.71 = 628,691.63 : x
  2. Step 2: Convert to fraction form
    1,890,864/2,836,320.71 = 628,691.63/x
  3. Step 3: Cross multiply
    1,890,864x = 2,836,320.71 × 628,691.63
  4. Step 4: Simplify right side
    1,890,864x = 1,783,171,073,047.60
  5. Step 5: Solve for x
    x = 1,783,171,073,047.60/1,890,864
  6. Step 6: Final answer
    x = 943,045.65

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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.