Home / 866,917.58-1,196,409.33-485,067.38

Finding the Fourth Proportional to 866,917.58, 1,196,409.33 and 485,067.38

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Solution

The fourth proportional to 866,917.58, 1,196,409.33 and 485,067.38 is: 669,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,917.58 : 1,196,409.33 = 485,067.38 : x
  2. Step 2: Convert to fraction form
    866,917.58/1,196,409.33 = 485,067.38/x
  3. Step 3: Cross multiply
    866,917.58x = 1,196,409.33 × 485,067.38
  4. Step 4: Simplify right side
    866,917.58x = 580,339,133,128.61
  5. Step 5: Solve for x
    x = 580,339,133,128.61/866,917.58
  6. Step 6: Final answer
    x = 669,428.27

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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.