Home / 1,065,847.92-1,595,906.96-811,918.80

Finding the Fourth Proportional to 1,065,847.92, 1,595,906.96 and 811,918.80

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Solution

The fourth proportional to 1,065,847.92, 1,595,906.96 and 811,918.80 is: 1,215,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,847.92 : 1,595,906.96 = 811,918.80 : x
  2. Step 2: Convert to fraction form
    1,065,847.92/1,595,906.96 = 811,918.80/x
  3. Step 3: Cross multiply
    1,065,847.92x = 1,595,906.96 × 811,918.80
  4. Step 4: Simplify right side
    1,065,847.92x = 1,295,746,863,874.85
  5. Step 5: Solve for x
    x = 1,295,746,863,874.85/1,065,847.92
  6. Step 6: Final answer
    x = 1,215,695.82

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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.