Home / 701,168.20-1,050,542.70-326,422.60

Finding the Fourth Proportional to 701,168.20, 1,050,542.70 and 326,422.60

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Solution

The fourth proportional to 701,168.20, 1,050,542.70 and 326,422.60 is: 489,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,168.20 : 1,050,542.70 = 326,422.60 : x
  2. Step 2: Convert to fraction form
    701,168.20/1,050,542.70 = 326,422.60/x
  3. Step 3: Cross multiply
    701,168.20x = 1,050,542.70 × 326,422.60
  4. Step 4: Simplify right side
    701,168.20x = 342,920,879,545.02
  5. Step 5: Solve for x
    x = 342,920,879,545.02/701,168.20
  6. Step 6: Final answer
    x = 489,070.78

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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.