Home / 653,108.21-979,777.14-298,158.11

Finding the Fourth Proportional to 653,108.21, 979,777.14 and 298,158.11

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Solution

The fourth proportional to 653,108.21, 979,777.14 and 298,158.11 is: 447,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,108.21 : 979,777.14 = 298,158.11 : x
  2. Step 2: Convert to fraction form
    653,108.21/979,777.14 = 298,158.11/x
  3. Step 3: Cross multiply
    653,108.21x = 979,777.14 × 298,158.11
  4. Step 4: Simplify right side
    653,108.21x = 292,128,504,290.61
  5. Step 5: Solve for x
    x = 292,128,504,290.61/653,108.21
  6. Step 6: Final answer
    x = 447,289.59

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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.