Home / 435,826.24-653,134.56-198,589.12

Finding the Fourth Proportional to 435,826.24, 653,134.56 and 198,589.12

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Solution

The fourth proportional to 435,826.24, 653,134.56 and 198,589.12 is: 297,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,826.24 : 653,134.56 = 198,589.12 : x
  2. Step 2: Convert to fraction form
    435,826.24/653,134.56 = 198,589.12/x
  3. Step 3: Cross multiply
    435,826.24x = 653,134.56 × 198,589.12
  4. Step 4: Simplify right side
    435,826.24x = 129,705,417,511.99
  5. Step 5: Solve for x
    x = 129,705,417,511.99/435,826.24
  6. Step 6: Final answer
    x = 297,608.10

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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.