Home / 873,161.43-1,309,958.39-418,098.93

Finding the Fourth Proportional to 873,161.43, 1,309,958.39 and 418,098.93

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Solution

The fourth proportional to 873,161.43, 1,309,958.39 and 418,098.93 is: 627,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,161.43 : 1,309,958.39 = 418,098.93 : x
  2. Step 2: Convert to fraction form
    873,161.43/1,309,958.39 = 418,098.93/x
  3. Step 3: Cross multiply
    873,161.43x = 1,309,958.39 × 418,098.93
  4. Step 4: Simplify right side
    873,161.43x = 547,692,201,203.52
  5. Step 5: Solve for x
    x = 547,692,201,203.52/873,161.43
  6. Step 6: Final answer
    x = 627,251.94

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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.