Home / 335,540.78-462,895.71-226,609.70

Finding the Fourth Proportional to 335,540.78, 462,895.71 and 226,609.70

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Solution

The fourth proportional to 335,540.78, 462,895.71 and 226,609.70 is: 312,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,540.78 : 462,895.71 = 226,609.70 : x
  2. Step 2: Convert to fraction form
    335,540.78/462,895.71 = 226,609.70/x
  3. Step 3: Cross multiply
    335,540.78x = 462,895.71 × 226,609.70
  4. Step 4: Simplify right side
    335,540.78x = 104,896,658,688.59
  5. Step 5: Solve for x
    x = 104,896,658,688.59/335,540.78
  6. Step 6: Final answer
    x = 312,619.70

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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.