Home / 465,836.23-642,876.80-261,951.33

Finding the Fourth Proportional to 465,836.23, 642,876.80 and 261,951.33

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Solution

The fourth proportional to 465,836.23, 642,876.80 and 261,951.33 is: 361,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,836.23 : 642,876.80 = 261,951.33 : x
  2. Step 2: Convert to fraction form
    465,836.23/642,876.80 = 261,951.33/x
  3. Step 3: Cross multiply
    465,836.23x = 642,876.80 × 261,951.33
  4. Step 4: Simplify right side
    465,836.23x = 168,402,432,786.14
  5. Step 5: Solve for x
    x = 168,402,432,786.14/465,836.23
  6. Step 6: Final answer
    x = 361,505.66

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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.