Home / 465,844.57-642,888.29-261,959.65

Finding the Fourth Proportional to 465,844.57, 642,888.29 and 261,959.65

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Solution

The fourth proportional to 465,844.57, 642,888.29 and 261,959.65 is: 361,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,844.57 : 642,888.29 = 261,959.65 : x
  2. Step 2: Convert to fraction form
    465,844.57/642,888.29 = 261,959.65/x
  3. Step 3: Cross multiply
    465,844.57x = 642,888.29 × 261,959.65
  4. Step 4: Simplify right side
    465,844.57x = 168,410,790,127.70
  5. Step 5: Solve for x
    x = 168,410,790,127.70/465,844.57
  6. Step 6: Final answer
    x = 361,517.13

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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.