Home / 527,857.03-791,705.34-172,863.19

Finding the Fourth Proportional to 527,857.03, 791,705.34 and 172,863.19

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Solution

The fourth proportional to 527,857.03, 791,705.34 and 172,863.19 is: 259,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,857.03 : 791,705.34 = 172,863.19 : x
  2. Step 2: Convert to fraction form
    527,857.03/791,705.34 = 172,863.19/x
  3. Step 3: Cross multiply
    527,857.03x = 791,705.34 × 172,863.19
  4. Step 4: Simplify right side
    527,857.03x = 136,856,710,612.44
  5. Step 5: Solve for x
    x = 136,856,710,612.44/527,857.03
  6. Step 6: Final answer
    x = 259,268.52

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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.