Home / 794,620.40-1,191,930.60-781,498.40

Finding the Fourth Proportional to 794,620.40, 1,191,930.60 and 781,498.40

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Solution

The fourth proportional to 794,620.40, 1,191,930.60 and 781,498.40 is: 1,172,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,620.40 : 1,191,930.60 = 781,498.40 : x
  2. Step 2: Convert to fraction form
    794,620.40/1,191,930.60 = 781,498.40/x
  3. Step 3: Cross multiply
    794,620.40x = 1,191,930.60 × 781,498.40
  4. Step 4: Simplify right side
    794,620.40x = 931,491,856,811.04
  5. Step 5: Solve for x
    x = 931,491,856,811.04/794,620.40
  6. Step 6: Final answer
    x = 1,172,247.60

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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.