Home / 527,896.70-791,837.85-172,922.30

Finding the Fourth Proportional to 527,896.70, 791,837.85 and 172,922.30

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Solution

The fourth proportional to 527,896.70, 791,837.85 and 172,922.30 is: 259,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,896.70 : 791,837.85 = 172,922.30 : x
  2. Step 2: Convert to fraction form
    527,896.70/791,837.85 = 172,922.30/x
  3. Step 3: Cross multiply
    527,896.70x = 791,837.85 × 172,922.30
  4. Step 4: Simplify right side
    527,896.70x = 136,926,422,249.06
  5. Step 5: Solve for x
    x = 136,926,422,249.06/527,896.70
  6. Step 6: Final answer
    x = 259,381.09

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1.5x scale

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.