Home / 625,830.03-938,434.35-199,310.22

Finding the Fourth Proportional to 625,830.03, 938,434.35 and 199,310.22

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Solution

The fourth proportional to 625,830.03, 938,434.35 and 199,310.22 is: 298,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,830.03 : 938,434.35 = 199,310.22 : x
  2. Step 2: Convert to fraction form
    625,830.03/938,434.35 = 199,310.22/x
  3. Step 3: Cross multiply
    625,830.03x = 938,434.35 × 199,310.22
  4. Step 4: Simplify right side
    625,830.03x = 187,039,556,754.06
  5. Step 5: Solve for x
    x = 187,039,556,754.06/625,830.03
  6. Step 6: Final answer
    x = 298,866.38

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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.