Home / 335,326.51-462,434.25-220,402.09

Finding the Fourth Proportional to 335,326.51, 462,434.25 and 220,402.09

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Solution

The fourth proportional to 335,326.51, 462,434.25 and 220,402.09 is: 303,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,326.51 : 462,434.25 = 220,402.09 : x
  2. Step 2: Convert to fraction form
    335,326.51/462,434.25 = 220,402.09/x
  3. Step 3: Cross multiply
    335,326.51x = 462,434.25 × 220,402.09
  4. Step 4: Simplify right side
    335,326.51x = 101,921,475,187.58
  5. Step 5: Solve for x
    x = 101,921,475,187.58/335,326.51
  6. Step 6: Final answer
    x = 303,946.97

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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.