Home / 387,339.44-534,592.32-226,193.18

Finding the Fourth Proportional to 387,339.44, 534,592.32 and 226,193.18

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Solution

The fourth proportional to 387,339.44, 534,592.32 and 226,193.18 is: 312,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,339.44 : 534,592.32 = 226,193.18 : x
  2. Step 2: Convert to fraction form
    387,339.44/534,592.32 = 226,193.18/x
  3. Step 3: Cross multiply
    387,339.44x = 534,592.32 × 226,193.18
  4. Step 4: Simplify right side
    387,339.44x = 120,921,136,864.38
  5. Step 5: Solve for x
    x = 120,921,136,864.38/387,339.44
  6. Step 6: Final answer
    x = 312,183.90

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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.