Home / 435,444.08-653,367-198,859.28

Finding the Fourth Proportional to 435,444.08, 653,367 and 198,859.28

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Solution

The fourth proportional to 435,444.08, 653,367 and 198,859.28 is: 298,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,444.08 : 653,367 = 198,859.28 : x
  2. Step 2: Convert to fraction form
    435,444.08/653,367 = 198,859.28/x
  3. Step 3: Cross multiply
    435,444.08x = 653,367 × 198,859.28
  4. Step 4: Simplify right side
    435,444.08x = 129,928,091,195.76
  5. Step 5: Solve for x
    x = 129,928,091,195.76/435,444.08
  6. Step 6: Final answer
    x = 298,380.66

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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.