Home / 527,450.70-791,150.61-172,417.74

Finding the Fourth Proportional to 527,450.70, 791,150.61 and 172,417.74

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Solution

The fourth proportional to 527,450.70, 791,150.61 and 172,417.74 is: 258,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,450.70 : 791,150.61 = 172,417.74 : x
  2. Step 2: Convert to fraction form
    527,450.70/791,150.61 = 172,417.74/x
  3. Step 3: Cross multiply
    527,450.70x = 791,150.61 × 172,417.74
  4. Step 4: Simplify right side
    527,450.70x = 136,408,400,175.82
  5. Step 5: Solve for x
    x = 136,408,400,175.82/527,450.70
  6. Step 6: Final answer
    x = 258,618.29

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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.