Home / 576,381.20-864,613.26-221,395.24

Finding the Fourth Proportional to 576,381.20, 864,613.26 and 221,395.24

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Solution

The fourth proportional to 576,381.20, 864,613.26 and 221,395.24 is: 332,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,381.20 : 864,613.26 = 221,395.24 : x
  2. Step 2: Convert to fraction form
    576,381.20/864,613.26 = 221,395.24/x
  3. Step 3: Cross multiply
    576,381.20x = 864,613.26 × 221,395.24
  4. Step 4: Simplify right side
    576,381.20x = 191,421,260,204.88
  5. Step 5: Solve for x
    x = 191,421,260,204.88/576,381.20
  6. Step 6: Final answer
    x = 332,108.79

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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.