Home / 1,196,589.88-1,795,920.20-628,370.80

Finding the Fourth Proportional to 1,196,589.88, 1,795,920.20 and 628,370.80

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Solution

The fourth proportional to 1,196,589.88, 1,795,920.20 and 628,370.80 is: 943,099.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,589.88 : 1,795,920.20 = 628,370.80 : x
  2. Step 2: Convert to fraction form
    1,196,589.88/1,795,920.20 = 628,370.80/x
  3. Step 3: Cross multiply
    1,196,589.88x = 1,795,920.20 × 628,370.80
  4. Step 4: Simplify right side
    1,196,589.88x = 1,128,503,812,810.16
  5. Step 5: Solve for x
    x = 1,128,503,812,810.16/1,196,589.88
  6. Step 6: Final answer
    x = 943,099.91

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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.