Home / 744,695.37-1,117,079.96-212,294.82

Finding the Fourth Proportional to 744,695.37, 1,117,079.96 and 212,294.82

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Solution

The fourth proportional to 744,695.37, 1,117,079.96 and 212,294.82 is: 318,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,695.37 : 1,117,079.96 = 212,294.82 : x
  2. Step 2: Convert to fraction form
    744,695.37/1,117,079.96 = 212,294.82/x
  3. Step 3: Cross multiply
    744,695.37x = 1,117,079.96 × 212,294.82
  4. Step 4: Simplify right side
    744,695.37x = 237,150,293,355.54
  5. Step 5: Solve for x
    x = 237,150,293,355.54/744,695.37
  6. Step 6: Final answer
    x = 318,452.76

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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.