Home / 475,516.45-656,279.82-294,286.73

Finding the Fourth Proportional to 475,516.45, 656,279.82 and 294,286.73

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Solution

The fourth proportional to 475,516.45, 656,279.82 and 294,286.73 is: 406,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,516.45 : 656,279.82 = 294,286.73 : x
  2. Step 2: Convert to fraction form
    475,516.45/656,279.82 = 294,286.73/x
  3. Step 3: Cross multiply
    475,516.45x = 656,279.82 × 294,286.73
  4. Step 4: Simplify right side
    475,516.45x = 193,134,442,192.79
  5. Step 5: Solve for x
    x = 193,134,442,192.79/475,516.45
  6. Step 6: Final answer
    x = 406,157.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.