Home / 526,550.30-726,638.59-284,832.13

Finding the Fourth Proportional to 526,550.30, 726,638.59 and 284,832.13

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Solution

The fourth proportional to 526,550.30, 726,638.59 and 284,832.13 is: 393,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,550.30 : 726,638.59 = 284,832.13 : x
  2. Step 2: Convert to fraction form
    526,550.30/726,638.59 = 284,832.13/x
  3. Step 3: Cross multiply
    526,550.30x = 726,638.59 × 284,832.13
  4. Step 4: Simplify right side
    526,550.30x = 206,970,014,801.22
  5. Step 5: Solve for x
    x = 206,970,014,801.22/526,550.30
  6. Step 6: Final answer
    x = 393,067.89

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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.