Home / 579,021.58-868,365.96-199,843.84

Finding the Fourth Proportional to 579,021.58, 868,365.96 and 199,843.84

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Solution

The fourth proportional to 579,021.58, 868,365.96 and 199,843.84 is: 299,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,021.58 : 868,365.96 = 199,843.84 : x
  2. Step 2: Convert to fraction form
    579,021.58/868,365.96 = 199,843.84/x
  3. Step 3: Cross multiply
    579,021.58x = 868,365.96 × 199,843.84
  4. Step 4: Simplify right side
    579,021.58x = 173,537,587,971.69
  5. Step 5: Solve for x
    x = 173,537,587,971.69/579,021.58
  6. Step 6: Final answer
    x = 299,708.33

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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.