Home / 465,845.07-642,888.98-261,960.15

Finding the Fourth Proportional to 465,845.07, 642,888.98 and 261,960.15

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Solution

The fourth proportional to 465,845.07, 642,888.98 and 261,960.15 is: 361,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,845.07 : 642,888.98 = 261,960.15 : x
  2. Step 2: Convert to fraction form
    465,845.07/642,888.98 = 261,960.15/x
  3. Step 3: Cross multiply
    465,845.07x = 642,888.98 × 261,960.15
  4. Step 4: Simplify right side
    465,845.07x = 168,411,292,324.35
  5. Step 5: Solve for x
    x = 168,411,292,324.35/465,845.07
  6. Step 6: Final answer
    x = 361,517.82

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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.