Home / 571,879.17-857,824.89-172,523.40

Finding the Fourth Proportional to 571,879.17, 857,824.89 and 172,523.40

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Solution

The fourth proportional to 571,879.17, 857,824.89 and 172,523.40 is: 258,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,879.17 : 857,824.89 = 172,523.40 : x
  2. Step 2: Convert to fraction form
    571,879.17/857,824.89 = 172,523.40/x
  3. Step 3: Cross multiply
    571,879.17x = 857,824.89 × 172,523.40
  4. Step 4: Simplify right side
    571,879.17x = 147,994,866,627.43
  5. Step 5: Solve for x
    x = 147,994,866,627.43/571,879.17
  6. Step 6: Final answer
    x = 258,786.95

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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.