Home / 644,946.20-967,419.30-171,679.40

Finding the Fourth Proportional to 644,946.20, 967,419.30 and 171,679.40

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Solution

The fourth proportional to 644,946.20, 967,419.30 and 171,679.40 is: 257,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,946.20 : 967,419.30 = 171,679.40 : x
  2. Step 2: Convert to fraction form
    644,946.20/967,419.30 = 171,679.40/x
  3. Step 3: Cross multiply
    644,946.20x = 967,419.30 × 171,679.40
  4. Step 4: Simplify right side
    644,946.20x = 166,085,964,972.42
  5. Step 5: Solve for x
    x = 166,085,964,972.42/644,946.20
  6. Step 6: Final answer
    x = 257,519.10

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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.