Home / 683,279.60-1,024,919.40-368,351.60

Finding the Fourth Proportional to 683,279.60, 1,024,919.40 and 368,351.60

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Solution

The fourth proportional to 683,279.60, 1,024,919.40 and 368,351.60 is: 552,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,279.60 : 1,024,919.40 = 368,351.60 : x
  2. Step 2: Convert to fraction form
    683,279.60/1,024,919.40 = 368,351.60/x
  3. Step 3: Cross multiply
    683,279.60x = 1,024,919.40 × 368,351.60
  4. Step 4: Simplify right side
    683,279.60x = 377,530,700,861.04
  5. Step 5: Solve for x
    x = 377,530,700,861.04/683,279.60
  6. Step 6: Final answer
    x = 552,527.40

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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.