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Finding the Fourth Proportional to 735,998.70, 1,103,998.05 and 682,854.60

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Solution

The fourth proportional to 735,998.70, 1,103,998.05 and 682,854.60 is: 1,024,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,998.70 : 1,103,998.05 = 682,854.60 : x
  2. Step 2: Convert to fraction form
    735,998.70/1,103,998.05 = 682,854.60/x
  3. Step 3: Cross multiply
    735,998.70x = 1,103,998.05 × 682,854.60
  4. Step 4: Simplify right side
    735,998.70x = 753,870,146,833.53
  5. Step 5: Solve for x
    x = 753,870,146,833.53/735,998.70
  6. Step 6: Final answer
    x = 1,024,281.90

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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.