Home / 681,204.53-940,061.62-394,890.59

Finding the Fourth Proportional to 681,204.53, 940,061.62 and 394,890.59

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Solution

The fourth proportional to 681,204.53, 940,061.62 and 394,890.59 is: 544,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,204.53 : 940,061.62 = 394,890.59 : x
  2. Step 2: Convert to fraction form
    681,204.53/940,061.62 = 394,890.59/x
  3. Step 3: Cross multiply
    681,204.53x = 940,061.62 × 394,890.59
  4. Step 4: Simplify right side
    681,204.53x = 371,221,487,758.16
  5. Step 5: Solve for x
    x = 371,221,487,758.16/681,204.53
  6. Step 6: Final answer
    x = 544,948.65

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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.