Home / 695,321.51-1,043,144.00-215,523.86

Finding the Fourth Proportional to 695,321.51, 1,043,144.00 and 215,523.86

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Solution

The fourth proportional to 695,321.51, 1,043,144.00 and 215,523.86 is: 323,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,321.51 : 1,043,144.00 = 215,523.86 : x
  2. Step 2: Convert to fraction form
    695,321.51/1,043,144.00 = 215,523.86/x
  3. Step 3: Cross multiply
    695,321.51x = 1,043,144.00 × 215,523.86
  4. Step 4: Simplify right side
    695,321.51x = 224,822,415,122.50
  5. Step 5: Solve for x
    x = 224,822,415,122.50/695,321.51
  6. Step 6: Final answer
    x = 323,335.92

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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.