Home / 512,784.22-769,249.23-157,827.82

Finding the Fourth Proportional to 512,784.22, 769,249.23 and 157,827.82

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Solution

The fourth proportional to 512,784.22, 769,249.23 and 157,827.82 is: 236,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,784.22 : 769,249.23 = 157,827.82 : x
  2. Step 2: Convert to fraction form
    512,784.22/769,249.23 = 157,827.82/x
  3. Step 3: Cross multiply
    512,784.22x = 769,249.23 × 157,827.82
  4. Step 4: Simplify right side
    512,784.22x = 121,408,929,007.58
  5. Step 5: Solve for x
    x = 121,408,929,007.58/512,784.22
  6. Step 6: Final answer
    x = 236,764.17

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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.