Home / 866,949.12-1,196,452.80-485,098.92

Finding the Fourth Proportional to 866,949.12, 1,196,452.80 and 485,098.92

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Solution

The fourth proportional to 866,949.12, 1,196,452.80 and 485,098.92 is: 669,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,949.12 : 1,196,452.80 = 485,098.92 : x
  2. Step 2: Convert to fraction form
    866,949.12/1,196,452.80 = 485,098.92/x
  3. Step 3: Cross multiply
    866,949.12x = 1,196,452.80 × 485,098.92
  4. Step 4: Simplify right side
    866,949.12x = 580,397,961,110.98
  5. Step 5: Solve for x
    x = 580,397,961,110.98/866,949.12
  6. Step 6: Final answer
    x = 669,471.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.