Home / 728,527.87-1,092,693.39-196,080.85

Finding the Fourth Proportional to 728,527.87, 1,092,693.39 and 196,080.85

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Solution

The fourth proportional to 728,527.87, 1,092,693.39 and 196,080.85 is: 294,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,527.87 : 1,092,693.39 = 196,080.85 : x
  2. Step 2: Convert to fraction form
    728,527.87/1,092,693.39 = 196,080.85/x
  3. Step 3: Cross multiply
    728,527.87x = 1,092,693.39 × 196,080.85
  4. Step 4: Simplify right side
    728,527.87x = 214,256,248,700.58
  5. Step 5: Solve for x
    x = 214,256,248,700.58/728,527.87
  6. Step 6: Final answer
    x = 294,094.79

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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.