Home / 454,514.20-681,771.30-384,530.20

Finding the Fourth Proportional to 454,514.20, 681,771.30 and 384,530.20

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Solution

The fourth proportional to 454,514.20, 681,771.30 and 384,530.20 is: 576,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,514.20 : 681,771.30 = 384,530.20 : x
  2. Step 2: Convert to fraction form
    454,514.20/681,771.30 = 384,530.20/x
  3. Step 3: Cross multiply
    454,514.20x = 681,771.30 × 384,530.20
  4. Step 4: Simplify right side
    454,514.20x = 262,161,654,343.26
  5. Step 5: Solve for x
    x = 262,161,654,343.26/454,514.20
  6. Step 6: Final answer
    x = 576,795.30

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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.