Home / 644,944.20-967,416.30-171,677.40

Finding the Fourth Proportional to 644,944.20, 967,416.30 and 171,677.40

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Solution

The fourth proportional to 644,944.20, 967,416.30 and 171,677.40 is: 257,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,944.20 : 967,416.30 = 171,677.40 : x
  2. Step 2: Convert to fraction form
    644,944.20/967,416.30 = 171,677.40/x
  3. Step 3: Cross multiply
    644,944.20x = 967,416.30 × 171,677.40
  4. Step 4: Simplify right side
    644,944.20x = 166,083,515,101.62
  5. Step 5: Solve for x
    x = 166,083,515,101.62/644,944.20
  6. Step 6: Final answer
    x = 257,516.10

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Double scale
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Similar ratio
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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.