Home / 736,174.72-1,015,863.78-413,822.44

Finding the Fourth Proportional to 736,174.72, 1,015,863.78 and 413,822.44

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Solution

The fourth proportional to 736,174.72, 1,015,863.78 and 413,822.44 is: 571,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,174.72 : 1,015,863.78 = 413,822.44 : x
  2. Step 2: Convert to fraction form
    736,174.72/1,015,863.78 = 413,822.44/x
  3. Step 3: Cross multiply
    736,174.72x = 1,015,863.78 × 413,822.44
  4. Step 4: Simplify right side
    736,174.72x = 420,387,228,147.22
  5. Step 5: Solve for x
    x = 420,387,228,147.22/736,174.72
  6. Step 6: Final answer
    x = 571,042.74

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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.