Home / 728,529.88-1,092,696.40-196,082.86

Finding the Fourth Proportional to 728,529.88, 1,092,696.40 and 196,082.86

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Solution

The fourth proportional to 728,529.88, 1,092,696.40 and 196,082.86 is: 294,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,529.88 : 1,092,696.40 = 196,082.86 : x
  2. Step 2: Convert to fraction form
    728,529.88/1,092,696.40 = 196,082.86/x
  3. Step 3: Cross multiply
    728,529.88x = 1,092,696.40 × 196,082.86
  4. Step 4: Simplify right side
    728,529.88x = 214,259,035,223.70
  5. Step 5: Solve for x
    x = 214,259,035,223.70/728,529.88
  6. Step 6: Final answer
    x = 294,097.80

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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.