Home / 3,186,843.60-4,780,265.40-822,939.60

Finding the Fourth Proportional to 3,186,843.60, 4,780,265.40 and 822,939.60

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Solution

The fourth proportional to 3,186,843.60, 4,780,265.40 and 822,939.60 is: 1,234,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,843.60 : 4,780,265.40 = 822,939.60 : x
  2. Step 2: Convert to fraction form
    3,186,843.60/4,780,265.40 = 822,939.60/x
  3. Step 3: Cross multiply
    3,186,843.60x = 4,780,265.40 × 822,939.60
  4. Step 4: Simplify right side
    3,186,843.60x = 3,933,869,696,169.84
  5. Step 5: Solve for x
    x = 3,933,869,696,169.84/3,186,843.60
  6. Step 6: Final answer
    x = 1,234,409.40

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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.