Home / 571,966.80-857,956.32-172,611.15

Finding the Fourth Proportional to 571,966.80, 857,956.32 and 172,611.15

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Solution

The fourth proportional to 571,966.80, 857,956.32 and 172,611.15 is: 258,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,966.80 : 857,956.32 = 172,611.15 : x
  2. Step 2: Convert to fraction form
    571,966.80/857,956.32 = 172,611.15/x
  3. Step 3: Cross multiply
    571,966.80x = 857,956.32 × 172,611.15
  4. Step 4: Simplify right side
    571,966.80x = 148,092,821,892.13
  5. Step 5: Solve for x
    x = 148,092,821,892.13/571,966.80
  6. Step 6: Final answer
    x = 258,918.57

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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.