Home / 681,916.35-1,022,778.95-361,927.47

Finding the Fourth Proportional to 681,916.35, 1,022,778.95 and 361,927.47

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Solution

The fourth proportional to 681,916.35, 1,022,778.95 and 361,927.47 is: 542,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,916.35 : 1,022,778.95 = 361,927.47 : x
  2. Step 2: Convert to fraction form
    681,916.35/1,022,778.95 = 361,927.47/x
  3. Step 3: Cross multiply
    681,916.35x = 1,022,778.95 × 361,927.47
  4. Step 4: Simplify right side
    681,916.35x = 370,171,795,933.12
  5. Step 5: Solve for x
    x = 370,171,795,933.12/681,916.35
  6. Step 6: Final answer
    x = 542,840.48

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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.