Home / 792,137.80-1,188,206.70-293,696.20

Finding the Fourth Proportional to 792,137.80, 1,188,206.70 and 293,696.20

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Solution

The fourth proportional to 792,137.80, 1,188,206.70 and 293,696.20 is: 440,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,137.80 : 1,188,206.70 = 293,696.20 : x
  2. Step 2: Convert to fraction form
    792,137.80/1,188,206.70 = 293,696.20/x
  3. Step 3: Cross multiply
    792,137.80x = 1,188,206.70 × 293,696.20
  4. Step 4: Simplify right side
    792,137.80x = 348,971,792,604.54
  5. Step 5: Solve for x
    x = 348,971,792,604.54/792,137.80
  6. Step 6: Final answer
    x = 440,544.30

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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.