Home / 457,279.16-630,835.56-296,186

Finding the Fourth Proportional to 457,279.16, 630,835.56 and 296,186

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Solution

The fourth proportional to 457,279.16, 630,835.56 and 296,186 is: 408,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,279.16 : 630,835.56 = 296,186 : x
  2. Step 2: Convert to fraction form
    457,279.16/630,835.56 = 296,186/x
  3. Step 3: Cross multiply
    457,279.16x = 630,835.56 × 296,186
  4. Step 4: Simplify right side
    457,279.16x = 186,844,661,174.16
  5. Step 5: Solve for x
    x = 186,844,661,174.16/457,279.16
  6. Step 6: Final answer
    x = 408,600.87

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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.