Home / 757,122.16-1,044,791.67-451,191.54

Finding the Fourth Proportional to 757,122.16, 1,044,791.67 and 451,191.54

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Solution

The fourth proportional to 757,122.16, 1,044,791.67 and 451,191.54 is: 622,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,122.16 : 1,044,791.67 = 451,191.54 : x
  2. Step 2: Convert to fraction form
    757,122.16/1,044,791.67 = 451,191.54/x
  3. Step 3: Cross multiply
    757,122.16x = 1,044,791.67 × 451,191.54
  4. Step 4: Simplify right side
    757,122.16x = 471,401,162,566.47
  5. Step 5: Solve for x
    x = 471,401,162,566.47/757,122.16
  6. Step 6: Final answer
    x = 622,622.33

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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.