Home / 414,217.76-571,813.04-312,284.48

Finding the Fourth Proportional to 414,217.76, 571,813.04 and 312,284.48

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Solution

The fourth proportional to 414,217.76, 571,813.04 and 312,284.48 is: 431,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,217.76 : 571,813.04 = 312,284.48 : x
  2. Step 2: Convert to fraction form
    414,217.76/571,813.04 = 312,284.48/x
  3. Step 3: Cross multiply
    414,217.76x = 571,813.04 × 312,284.48
  4. Step 4: Simplify right side
    414,217.76x = 178,568,337,853.62
  5. Step 5: Solve for x
    x = 178,568,337,853.62/414,217.76
  6. Step 6: Final answer
    x = 431,097.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.