Home / 331,519.41-497,275.47-198,436.83

Finding the Fourth Proportional to 331,519.41, 497,275.47 and 198,436.83

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Solution

The fourth proportional to 331,519.41, 497,275.47 and 198,436.83 is: 297,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,519.41 : 497,275.47 = 198,436.83 : x
  2. Step 2: Convert to fraction form
    331,519.41/497,275.47 = 198,436.83/x
  3. Step 3: Cross multiply
    331,519.41x = 497,275.47 × 198,436.83
  4. Step 4: Simplify right side
    331,519.41x = 98,677,767,903.56
  5. Step 5: Solve for x
    x = 98,677,767,903.56/331,519.41
  6. Step 6: Final answer
    x = 297,653.06

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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.