Home / 661,096.13-991,924.79-361,226.43

Finding the Fourth Proportional to 661,096.13, 991,924.79 and 361,226.43

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Solution

The fourth proportional to 661,096.13, 991,924.79 and 361,226.43 is: 541,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,096.13 : 991,924.79 = 361,226.43 : x
  2. Step 2: Convert to fraction form
    661,096.13/991,924.79 = 361,226.43/x
  3. Step 3: Cross multiply
    661,096.13x = 991,924.79 × 361,226.43
  4. Step 4: Simplify right side
    661,096.13x = 358,309,448,914.07
  5. Step 5: Solve for x
    x = 358,309,448,914.07/661,096.13
  6. Step 6: Final answer
    x = 541,992.96

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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.