Home / 744,379.54-1,116,576.23-211,900.55

Finding the Fourth Proportional to 744,379.54, 1,116,576.23 and 211,900.55

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Solution

The fourth proportional to 744,379.54, 1,116,576.23 and 211,900.55 is: 317,852.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,379.54 : 1,116,576.23 = 211,900.55 : x
  2. Step 2: Convert to fraction form
    744,379.54/1,116,576.23 = 211,900.55/x
  3. Step 3: Cross multiply
    744,379.54x = 1,116,576.23 × 211,900.55
  4. Step 4: Simplify right side
    744,379.54x = 236,603,110,611.54
  5. Step 5: Solve for x
    x = 236,603,110,611.54/744,379.54
  6. Step 6: Final answer
    x = 317,852.79

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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.