Home / 571,872.20-857,814.44-172,516.43

Finding the Fourth Proportional to 571,872.20, 857,814.44 and 172,516.43

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Solution

The fourth proportional to 571,872.20, 857,814.44 and 172,516.43 is: 258,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,872.20 : 857,814.44 = 172,516.43 : x
  2. Step 2: Convert to fraction form
    571,872.20/857,814.44 = 172,516.43/x
  3. Step 3: Cross multiply
    571,872.20x = 857,814.44 × 172,516.43
  4. Step 4: Simplify right side
    571,872.20x = 147,987,079,639.60
  5. Step 5: Solve for x
    x = 147,987,079,639.60/571,872.20
  6. Step 6: Final answer
    x = 258,776.49

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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.