Home / 996,620.20-1,494,930.30-692,189.80

Finding the Fourth Proportional to 996,620.20, 1,494,930.30 and 692,189.80

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Solution

The fourth proportional to 996,620.20, 1,494,930.30 and 692,189.80 is: 1,038,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,620.20 : 1,494,930.30 = 692,189.80 : x
  2. Step 2: Convert to fraction form
    996,620.20/1,494,930.30 = 692,189.80/x
  3. Step 3: Cross multiply
    996,620.20x = 1,494,930.30 × 692,189.80
  4. Step 4: Simplify right side
    996,620.20x = 1,034,775,505,370.94
  5. Step 5: Solve for x
    x = 1,034,775,505,370.94/996,620.20
  6. Step 6: Final answer
    x = 1,038,284.70

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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.