Home / 993,034.80-1,489,404.60-361,801.44

Finding the Fourth Proportional to 993,034.80, 1,489,404.60 and 361,801.44

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Solution

The fourth proportional to 993,034.80, 1,489,404.60 and 361,801.44 is: 542,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,034.80 : 1,489,404.60 = 361,801.44 : x
  2. Step 2: Convert to fraction form
    993,034.80/1,489,404.60 = 361,801.44/x
  3. Step 3: Cross multiply
    993,034.80x = 1,489,404.60 × 361,801.44
  4. Step 4: Simplify right side
    993,034.80x = 538,868,729,022.62
  5. Step 5: Solve for x
    x = 538,868,729,022.62/993,034.80
  6. Step 6: Final answer
    x = 542,648.38

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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.