Home / 691,576.48-1,037,364.66-218,593.96

Finding the Fourth Proportional to 691,576.48, 1,037,364.66 and 218,593.96

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Solution

The fourth proportional to 691,576.48, 1,037,364.66 and 218,593.96 is: 327,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,576.48 : 1,037,364.66 = 218,593.96 : x
  2. Step 2: Convert to fraction form
    691,576.48/1,037,364.66 = 218,593.96/x
  3. Step 3: Cross multiply
    691,576.48x = 1,037,364.66 × 218,593.96
  4. Step 4: Simplify right side
    691,576.48x = 226,761,648,993.45
  5. Step 5: Solve for x
    x = 226,761,648,993.45/691,576.48
  6. Step 6: Final answer
    x = 327,890.92

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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.