Home / 874,516.06-1,206,834.69-507,064.42

Finding the Fourth Proportional to 874,516.06, 1,206,834.69 and 507,064.42

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Solution

The fourth proportional to 874,516.06, 1,206,834.69 and 507,064.42 is: 699,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,516.06 : 1,206,834.69 = 507,064.42 : x
  2. Step 2: Convert to fraction form
    874,516.06/1,206,834.69 = 507,064.42/x
  3. Step 3: Cross multiply
    874,516.06x = 1,206,834.69 × 507,064.42
  4. Step 4: Simplify right side
    874,516.06x = 611,942,932,120.73
  5. Step 5: Solve for x
    x = 611,942,932,120.73/874,516.06
  6. Step 6: Final answer
    x = 699,750.36

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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.