Home / 527,995.21-791,912.63-173,001.37

Finding the Fourth Proportional to 527,995.21, 791,912.63 and 173,001.37

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Solution

The fourth proportional to 527,995.21, 791,912.63 and 173,001.37 is: 259,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,995.21 : 791,912.63 = 173,001.37 : x
  2. Step 2: Convert to fraction form
    527,995.21/791,912.63 = 173,001.37/x
  3. Step 3: Cross multiply
    527,995.21x = 791,912.63 × 173,001.37
  4. Step 4: Simplify right side
    527,995.21x = 137,001,969,045.30
  5. Step 5: Solve for x
    x = 137,001,969,045.30/527,995.21
  6. Step 6: Final answer
    x = 259,475.78

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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.