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Finding the Fourth Proportional to 827,682.64, 1,241,532.60 and 662,520.40

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Solution

The fourth proportional to 827,682.64, 1,241,532.60 and 662,520.40 is: 993,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,682.64 : 1,241,532.60 = 662,520.40 : x
  2. Step 2: Convert to fraction form
    827,682.64/1,241,532.60 = 662,520.40/x
  3. Step 3: Cross multiply
    827,682.64x = 1,241,532.60 × 662,520.40
  4. Step 4: Simplify right side
    827,682.64x = 822,540,674,765.04
  5. Step 5: Solve for x
    x = 822,540,674,765.04/827,682.64
  6. Step 6: Final answer
    x = 993,787.52

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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.