Home / 411,824.08-618,135.59-198,741.95

Finding the Fourth Proportional to 411,824.08, 618,135.59 and 198,741.95

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Solution

The fourth proportional to 411,824.08, 618,135.59 and 198,741.95 is: 298,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,824.08 : 618,135.59 = 198,741.95 : x
  2. Step 2: Convert to fraction form
    411,824.08/618,135.59 = 198,741.95/x
  3. Step 3: Cross multiply
    411,824.08x = 618,135.59 × 198,741.95
  4. Step 4: Simplify right side
    411,824.08x = 122,849,472,521.00
  5. Step 5: Solve for x
    x = 122,849,472,521.00/411,824.08
  6. Step 6: Final answer
    x = 298,305.71

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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.