Home / 571,966.17-857,955.38-172,610.52

Finding the Fourth Proportional to 571,966.17, 857,955.38 and 172,610.52

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Solution

The fourth proportional to 571,966.17, 857,955.38 and 172,610.52 is: 258,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,966.17 : 857,955.38 = 172,610.52 : x
  2. Step 2: Convert to fraction form
    571,966.17/857,955.38 = 172,610.52/x
  3. Step 3: Cross multiply
    571,966.17x = 857,955.38 × 172,610.52
  4. Step 4: Simplify right side
    571,966.17x = 148,092,123,415.55
  5. Step 5: Solve for x
    x = 148,092,123,415.55/571,966.17
  6. Step 6: Final answer
    x = 258,917.63

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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.