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Finding the Fourth Proportional to 892,170, 1,231,035.84 and 504,983.52

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Solution

The fourth proportional to 892,170, 1,231,035.84 and 504,983.52 is: 696,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,170 : 1,231,035.84 = 504,983.52 : x
  2. Step 2: Convert to fraction form
    892,170/1,231,035.84 = 504,983.52/x
  3. Step 3: Cross multiply
    892,170x = 1,231,035.84 × 504,983.52
  4. Step 4: Simplify right side
    892,170x = 621,652,811,729.36
  5. Step 5: Solve for x
    x = 621,652,811,729.36/892,170
  6. Step 6: Final answer
    x = 696,787.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.