Home / 644,933.20-967,399.80-171,666.40

Finding the Fourth Proportional to 644,933.20, 967,399.80 and 171,666.40

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Solution

The fourth proportional to 644,933.20, 967,399.80 and 171,666.40 is: 257,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,933.20 : 967,399.80 = 171,666.40 : x
  2. Step 2: Convert to fraction form
    644,933.20/967,399.80 = 171,666.40/x
  3. Step 3: Cross multiply
    644,933.20x = 967,399.80 × 171,666.40
  4. Step 4: Simplify right side
    644,933.20x = 166,070,041,026.72
  5. Step 5: Solve for x
    x = 166,070,041,026.72/644,933.20
  6. Step 6: Final answer
    x = 257,499.60

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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.