Home / 384,422.20-576,633.30-365,176.60

Finding the Fourth Proportional to 384,422.20, 576,633.30 and 365,176.60

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Solution

The fourth proportional to 384,422.20, 576,633.30 and 365,176.60 is: 547,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,422.20 : 576,633.30 = 365,176.60 : x
  2. Step 2: Convert to fraction form
    384,422.20/576,633.30 = 365,176.60/x
  3. Step 3: Cross multiply
    384,422.20x = 576,633.30 × 365,176.60
  4. Step 4: Simplify right side
    384,422.20x = 210,572,987,940.78
  5. Step 5: Solve for x
    x = 210,572,987,940.78/384,422.20
  6. Step 6: Final answer
    x = 547,764.90

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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.