Home / 527,218.83-790,664.70-190,215.69

Finding the Fourth Proportional to 527,218.83, 790,664.70 and 190,215.69

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Solution

The fourth proportional to 527,218.83, 790,664.70 and 190,215.69 is: 285,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,218.83 : 790,664.70 = 190,215.69 : x
  2. Step 2: Convert to fraction form
    527,218.83/790,664.70 = 190,215.69/x
  3. Step 3: Cross multiply
    527,218.83x = 790,664.70 × 190,215.69
  4. Step 4: Simplify right side
    527,218.83x = 150,396,831,469.14
  5. Step 5: Solve for x
    x = 150,396,831,469.14/527,218.83
  6. Step 6: Final answer
    x = 285,264.53

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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.