Home / 819,824.49-1,229,342.67-464,743.17

Finding the Fourth Proportional to 819,824.49, 1,229,342.67 and 464,743.17

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Solution

The fourth proportional to 819,824.49, 1,229,342.67 and 464,743.17 is: 696,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,824.49 : 1,229,342.67 = 464,743.17 : x
  2. Step 2: Convert to fraction form
    819,824.49/1,229,342.67 = 464,743.17/x
  3. Step 3: Cross multiply
    819,824.49x = 1,229,342.67 × 464,743.17
  4. Step 4: Simplify right side
    819,824.49x = 571,328,609,472.06
  5. Step 5: Solve for x
    x = 571,328,609,472.06/819,824.49
  6. Step 6: Final answer
    x = 696,891.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.