Home / 331,519.42-497,275.46-198,436.82

Finding the Fourth Proportional to 331,519.42, 497,275.46 and 198,436.82

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Solution

The fourth proportional to 331,519.42, 497,275.46 and 198,436.82 is: 297,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,519.42 : 497,275.46 = 198,436.82 : x
  2. Step 2: Convert to fraction form
    331,519.42/497,275.46 = 198,436.82/x
  3. Step 3: Cross multiply
    331,519.42x = 497,275.46 × 198,436.82
  4. Step 4: Simplify right side
    331,519.42x = 98,677,760,946.44
  5. Step 5: Solve for x
    x = 98,677,760,946.44/331,519.42
  6. Step 6: Final answer
    x = 297,653.03

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1.5x scale

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.