Home / 571,885.48-857,834.37-172,529.71

Finding the Fourth Proportional to 571,885.48, 857,834.37 and 172,529.71

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Solution

The fourth proportional to 571,885.48, 857,834.37 and 172,529.71 is: 258,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,885.48 : 857,834.37 = 172,529.71 : x
  2. Step 2: Convert to fraction form
    571,885.48/857,834.37 = 172,529.71/x
  3. Step 3: Cross multiply
    571,885.48x = 857,834.37 × 172,529.71
  4. Step 4: Simplify right side
    571,885.48x = 148,001,915,084.13
  5. Step 5: Solve for x
    x = 148,001,915,084.13/571,885.48
  6. Step 6: Final answer
    x = 258,796.42

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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.