Home / 772,132.38-1,152,917.36-691,650.78

Finding the Fourth Proportional to 772,132.38, 1,152,917.36 and 691,650.78

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Solution

The fourth proportional to 772,132.38, 1,152,917.36 and 691,650.78 is: 1,032,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,132.38 : 1,152,917.36 = 691,650.78 : x
  2. Step 2: Convert to fraction form
    772,132.38/1,152,917.36 = 691,650.78/x
  3. Step 3: Cross multiply
    772,132.38x = 1,152,917.36 × 691,650.78
  4. Step 4: Simplify right side
    772,132.38x = 797,416,187,861.29
  5. Step 5: Solve for x
    x = 797,416,187,861.29/772,132.38
  6. Step 6: Final answer
    x = 1,032,745.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.