Home / 819,610.85-1,229,558.43-250,978.55

Finding the Fourth Proportional to 819,610.85, 1,229,558.43 and 250,978.55

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Solution

The fourth proportional to 819,610.85, 1,229,558.43 and 250,978.55 is: 376,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,610.85 : 1,229,558.43 = 250,978.55 : x
  2. Step 2: Convert to fraction form
    819,610.85/1,229,558.43 = 250,978.55/x
  3. Step 3: Cross multiply
    819,610.85x = 1,229,558.43 × 250,978.55
  4. Step 4: Simplify right side
    819,610.85x = 308,592,793,611.32
  5. Step 5: Solve for x
    x = 308,592,793,611.32/819,610.85
  6. Step 6: Final answer
    x = 376,511.36

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1.5x scale

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.