Home / 527,027.56-790,555.42-172,063.08

Finding the Fourth Proportional to 527,027.56, 790,555.42 and 172,063.08

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Solution

The fourth proportional to 527,027.56, 790,555.42 and 172,063.08 is: 258,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,027.56 : 790,555.42 = 172,063.08 : x
  2. Step 2: Convert to fraction form
    527,027.56/790,555.42 = 172,063.08/x
  3. Step 3: Cross multiply
    527,027.56x = 790,555.42 × 172,063.08
  4. Step 4: Simplify right side
    527,027.56x = 136,025,400,475.89
  5. Step 5: Solve for x
    x = 136,025,400,475.89/527,027.56
  6. Step 6: Final answer
    x = 258,099.22

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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.