Home / 728,905.07-1,093,383.23-196,438.82

Finding the Fourth Proportional to 728,905.07, 1,093,383.23 and 196,438.82

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Solution

The fourth proportional to 728,905.07, 1,093,383.23 and 196,438.82 is: 294,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,905.07 : 1,093,383.23 = 196,438.82 : x
  2. Step 2: Convert to fraction form
    728,905.07/1,093,383.23 = 196,438.82/x
  3. Step 3: Cross multiply
    728,905.07x = 1,093,383.23 × 196,438.82
  4. Step 4: Simplify right side
    728,905.07x = 214,782,905,059.88
  5. Step 5: Solve for x
    x = 214,782,905,059.88/728,905.07
  6. Step 6: Final answer
    x = 294,665.13

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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.