Home / 451,555.11-677,552.76-198,803.52

Finding the Fourth Proportional to 451,555.11, 677,552.76 and 198,803.52

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Solution

The fourth proportional to 451,555.11, 677,552.76 and 198,803.52 is: 298,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,555.11 : 677,552.76 = 198,803.52 : x
  2. Step 2: Convert to fraction form
    451,555.11/677,552.76 = 198,803.52/x
  3. Step 3: Cross multiply
    451,555.11x = 677,552.76 × 198,803.52
  4. Step 4: Simplify right side
    451,555.11x = 134,699,873,673.72
  5. Step 5: Solve for x
    x = 134,699,873,673.72/451,555.11
  6. Step 6: Final answer
    x = 298,302.18

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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.