Home / 527,627.36-791,514.96-172,669.28

Finding the Fourth Proportional to 527,627.36, 791,514.96 and 172,669.28

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Solution

The fourth proportional to 527,627.36, 791,514.96 and 172,669.28 is: 259,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,627.36 : 791,514.96 = 172,669.28 : x
  2. Step 2: Convert to fraction form
    527,627.36/791,514.96 = 172,669.28/x
  3. Step 3: Cross multiply
    527,627.36x = 791,514.96 × 172,669.28
  4. Step 4: Simplify right side
    527,627.36x = 136,670,318,252.43
  5. Step 5: Solve for x
    x = 136,670,318,252.43/527,627.36
  6. Step 6: Final answer
    x = 259,028.11

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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.