Home / 798,914.12-1,198,539.69-259,128.47

Finding the Fourth Proportional to 798,914.12, 1,198,539.69 and 259,128.47

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Solution

The fourth proportional to 798,914.12, 1,198,539.69 and 259,128.47 is: 388,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,914.12 : 1,198,539.69 = 259,128.47 : x
  2. Step 2: Convert to fraction form
    798,914.12/1,198,539.69 = 259,128.47/x
  3. Step 3: Cross multiply
    798,914.12x = 1,198,539.69 × 259,128.47
  4. Step 4: Simplify right side
    798,914.12x = 310,575,761,687.33
  5. Step 5: Solve for x
    x = 310,575,761,687.33/798,914.12
  6. Step 6: Final answer
    x = 388,747.37

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1.5x scale

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.