Home / 527,575.30-791,473.68-172,561.60

Finding the Fourth Proportional to 527,575.30, 791,473.68 and 172,561.60

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Solution

The fourth proportional to 527,575.30, 791,473.68 and 172,561.60 is: 258,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,575.30 : 791,473.68 = 172,561.60 : x
  2. Step 2: Convert to fraction form
    527,575.30/791,473.68 = 172,561.60/x
  3. Step 3: Cross multiply
    527,575.30x = 791,473.68 × 172,561.60
  4. Step 4: Simplify right side
    527,575.30x = 136,577,964,578.69
  5. Step 5: Solve for x
    x = 136,577,964,578.69/527,575.30
  6. Step 6: Final answer
    x = 258,878.62

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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.