Home / 571,917.60-857,882.64-172,561.92

Finding the Fourth Proportional to 571,917.60, 857,882.64 and 172,561.92

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Solution

The fourth proportional to 571,917.60, 857,882.64 and 172,561.92 is: 258,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,917.60 : 857,882.64 = 172,561.92 : x
  2. Step 2: Convert to fraction form
    571,917.60/857,882.64 = 172,561.92/x
  3. Step 3: Cross multiply
    571,917.60x = 857,882.64 × 172,561.92
  4. Step 4: Simplify right side
    571,917.60x = 148,037,875,493.07
  5. Step 5: Solve for x
    x = 148,037,875,493.07/571,917.60
  6. Step 6: Final answer
    x = 258,844.76

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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.