Home / 798,272.55-1,197,759.49-419,105.21

Finding the Fourth Proportional to 798,272.55, 1,197,759.49 and 419,105.21

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Solution

The fourth proportional to 798,272.55, 1,197,759.49 and 419,105.21 is: 628,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,272.55 : 1,197,759.49 = 419,105.21 : x
  2. Step 2: Convert to fraction form
    798,272.55/1,197,759.49 = 419,105.21/x
  3. Step 3: Cross multiply
    798,272.55x = 1,197,759.49 × 419,105.21
  4. Step 4: Simplify right side
    798,272.55x = 501,987,235,549.38
  5. Step 5: Solve for x
    x = 501,987,235,549.38/798,272.55
  6. Step 6: Final answer
    x = 628,841.91

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Double scale
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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.