Home / 782,097.41-1,173,589.86-422,263.44

Finding the Fourth Proportional to 782,097.41, 1,173,589.86 and 422,263.44

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Solution

The fourth proportional to 782,097.41, 1,173,589.86 and 422,263.44 is: 633,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,097.41 : 1,173,589.86 = 422,263.44 : x
  2. Step 2: Convert to fraction form
    782,097.41/1,173,589.86 = 422,263.44/x
  3. Step 3: Cross multiply
    782,097.41x = 1,173,589.86 × 422,263.44
  4. Step 4: Simplify right side
    782,097.41x = 495,564,091,432.72
  5. Step 5: Solve for x
    x = 495,564,091,432.72/782,097.41
  6. Step 6: Final answer
    x = 633,634.74

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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.