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Finding the Fourth Proportional to 829,920.60, 1,244,880.90 and 801,052.20

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Solution

The fourth proportional to 829,920.60, 1,244,880.90 and 801,052.20 is: 1,201,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,920.60 : 1,244,880.90 = 801,052.20 : x
  2. Step 2: Convert to fraction form
    829,920.60/1,244,880.90 = 801,052.20/x
  3. Step 3: Cross multiply
    829,920.60x = 1,244,880.90 × 801,052.20
  4. Step 4: Simplify right side
    829,920.60x = 997,214,583,682.98
  5. Step 5: Solve for x
    x = 997,214,583,682.98/829,920.60
  6. Step 6: Final answer
    x = 1,201,578.30

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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.