Home / 852,192.69-1,175,986.51-489,361.29

Finding the Fourth Proportional to 852,192.69, 1,175,986.51 and 489,361.29

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Solution

The fourth proportional to 852,192.69, 1,175,986.51 and 489,361.29 is: 675,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,192.69 : 1,175,986.51 = 489,361.29 : x
  2. Step 2: Convert to fraction form
    852,192.69/1,175,986.51 = 489,361.29/x
  3. Step 3: Cross multiply
    852,192.69x = 1,175,986.51 × 489,361.29
  4. Step 4: Simplify right side
    852,192.69x = 575,482,275,556.20
  5. Step 5: Solve for x
    x = 575,482,275,556.20/852,192.69
  6. Step 6: Final answer
    x = 675,295.95

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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.