Home / 483,194.52-721,537.83-394,623.72

Finding the Fourth Proportional to 483,194.52, 721,537.83 and 394,623.72

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Solution

The fourth proportional to 483,194.52, 721,537.83 and 394,623.72 is: 589,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,194.52 : 721,537.83 = 394,623.72 : x
  2. Step 2: Convert to fraction form
    483,194.52/721,537.83 = 394,623.72/x
  3. Step 3: Cross multiply
    483,194.52x = 721,537.83 × 394,623.72
  4. Step 4: Simplify right side
    483,194.52x = 284,735,942,595.33
  5. Step 5: Solve for x
    x = 284,735,942,595.33/483,194.52
  6. Step 6: Final answer
    x = 589,278.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.