Home / 661,097.13-991,926.29-361,227.43

Finding the Fourth Proportional to 661,097.13, 991,926.29 and 361,227.43

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Solution

The fourth proportional to 661,097.13, 991,926.29 and 361,227.43 is: 541,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,097.13 : 991,926.29 = 361,227.43 : x
  2. Step 2: Convert to fraction form
    661,097.13/991,926.29 = 361,227.43/x
  3. Step 3: Cross multiply
    661,097.13x = 991,926.29 × 361,227.43
  4. Step 4: Simplify right side
    661,097.13x = 358,310,984,486.14
  5. Step 5: Solve for x
    x = 358,310,984,486.14/661,097.13
  6. Step 6: Final answer
    x = 541,994.46

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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.