Home / 644,552.20-965,906.70-474,747.40

Finding the Fourth Proportional to 644,552.20, 965,906.70 and 474,747.40

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Solution

The fourth proportional to 644,552.20, 965,906.70 and 474,747.40 is: 711,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,552.20 : 965,906.70 = 474,747.40 : x
  2. Step 2: Convert to fraction form
    644,552.20/965,906.70 = 474,747.40/x
  3. Step 3: Cross multiply
    644,552.20x = 965,906.70 × 474,747.40
  4. Step 4: Simplify right side
    644,552.20x = 458,561,694,467.58
  5. Step 5: Solve for x
    x = 458,561,694,467.58/644,552.20
  6. Step 6: Final answer
    x = 711,442.29

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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.