Home / 824,194.20-1,236,291.30-505,329.60

Finding the Fourth Proportional to 824,194.20, 1,236,291.30 and 505,329.60

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Solution

The fourth proportional to 824,194.20, 1,236,291.30 and 505,329.60 is: 757,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,194.20 : 1,236,291.30 = 505,329.60 : x
  2. Step 2: Convert to fraction form
    824,194.20/1,236,291.30 = 505,329.60/x
  3. Step 3: Cross multiply
    824,194.20x = 1,236,291.30 × 505,329.60
  4. Step 4: Simplify right side
    824,194.20x = 624,734,588,112.48
  5. Step 5: Solve for x
    x = 624,734,588,112.48/824,194.20
  6. Step 6: Final answer
    x = 757,994.40

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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.