Home / 842,844.64-1,162,131.76-681,199.83

Finding the Fourth Proportional to 842,844.64, 1,162,131.76 and 681,199.83

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Solution

The fourth proportional to 842,844.64, 1,162,131.76 and 681,199.83 is: 939,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,844.64 : 1,162,131.76 = 681,199.83 : x
  2. Step 2: Convert to fraction form
    842,844.64/1,162,131.76 = 681,199.83/x
  3. Step 3: Cross multiply
    842,844.64x = 1,162,131.76 × 681,199.83
  4. Step 4: Simplify right side
    842,844.64x = 791,643,957,349.60
  5. Step 5: Solve for x
    x = 791,643,957,349.60/842,844.64
  6. Step 6: Final answer
    x = 939,252.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.