Home / 792,067.80-1,188,101.70-476,880.60

Finding the Fourth Proportional to 792,067.80, 1,188,101.70 and 476,880.60

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Solution

The fourth proportional to 792,067.80, 1,188,101.70 and 476,880.60 is: 715,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,067.80 : 1,188,101.70 = 476,880.60 : x
  2. Step 2: Convert to fraction form
    792,067.80/1,188,101.70 = 476,880.60/x
  3. Step 3: Cross multiply
    792,067.80x = 1,188,101.70 × 476,880.60
  4. Step 4: Simplify right side
    792,067.80x = 566,582,651,557.02
  5. Step 5: Solve for x
    x = 566,582,651,557.02/792,067.80
  6. Step 6: Final answer
    x = 715,320.90

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Double scale
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Similar ratio
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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.