Home / 930,421.38-1,394,745.66-298,891.92

Finding the Fourth Proportional to 930,421.38, 1,394,745.66 and 298,891.92

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Solution

The fourth proportional to 930,421.38, 1,394,745.66 and 298,891.92 is: 448,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,421.38 : 1,394,745.66 = 298,891.92 : x
  2. Step 2: Convert to fraction form
    930,421.38/1,394,745.66 = 298,891.92/x
  3. Step 3: Cross multiply
    930,421.38x = 1,394,745.66 × 298,891.92
  4. Step 4: Simplify right side
    930,421.38x = 416,878,208,229.07
  5. Step 5: Solve for x
    x = 416,878,208,229.07/930,421.38
  6. Step 6: Final answer
    x = 448,053.13

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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.