Home / 625,961.03-863,827.22-339,481.34

Finding the Fourth Proportional to 625,961.03, 863,827.22 and 339,481.34

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Solution

The fourth proportional to 625,961.03, 863,827.22 and 339,481.34 is: 468,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,961.03 : 863,827.22 = 339,481.34 : x
  2. Step 2: Convert to fraction form
    625,961.03/863,827.22 = 339,481.34/x
  3. Step 3: Cross multiply
    625,961.03x = 863,827.22 × 339,481.34
  4. Step 4: Simplify right side
    625,961.03x = 293,253,221,942.99
  5. Step 5: Solve for x
    x = 293,253,221,942.99/625,961.03
  6. Step 6: Final answer
    x = 468,484.79

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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.