Home / 693,785.79-1,040,777.10-214,053.57

Finding the Fourth Proportional to 693,785.79, 1,040,777.10 and 214,053.57

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Solution

The fourth proportional to 693,785.79, 1,040,777.10 and 214,053.57 is: 321,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,785.79 : 1,040,777.10 = 214,053.57 : x
  2. Step 2: Convert to fraction form
    693,785.79/1,040,777.10 = 214,053.57/x
  3. Step 3: Cross multiply
    693,785.79x = 1,040,777.10 × 214,053.57
  4. Step 4: Simplify right side
    693,785.79x = 222,782,053,829.25
  5. Step 5: Solve for x
    x = 222,782,053,829.25/693,785.79
  6. Step 6: Final answer
    x = 321,110.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.