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Finding the Fourth Proportional to 836,114.40, 1,254,171.60 and 706,206.60

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Solution

The fourth proportional to 836,114.40, 1,254,171.60 and 706,206.60 is: 1,059,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,114.40 : 1,254,171.60 = 706,206.60 : x
  2. Step 2: Convert to fraction form
    836,114.40/1,254,171.60 = 706,206.60/x
  3. Step 3: Cross multiply
    836,114.40x = 1,254,171.60 × 706,206.60
  4. Step 4: Simplify right side
    836,114.40x = 885,704,261,452.56
  5. Step 5: Solve for x
    x = 885,704,261,452.56/836,114.40
  6. Step 6: Final answer
    x = 1,059,309.90

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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.