Home / 466,375.27-643,540.65-294,228.31

Finding the Fourth Proportional to 466,375.27, 643,540.65 and 294,228.31

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Solution

The fourth proportional to 466,375.27, 643,540.65 and 294,228.31 is: 405,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,375.27 : 643,540.65 = 294,228.31 : x
  2. Step 2: Convert to fraction form
    466,375.27/643,540.65 = 294,228.31/x
  3. Step 3: Cross multiply
    466,375.27x = 643,540.65 × 294,228.31
  4. Step 4: Simplify right side
    466,375.27x = 189,347,877,865.80
  5. Step 5: Solve for x
    x = 189,347,877,865.80/466,375.27
  6. Step 6: Final answer
    x = 405,998.97

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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.