Home / 654,906.24-903,439.76-382,796.36

Finding the Fourth Proportional to 654,906.24, 903,439.76 and 382,796.36

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Solution

The fourth proportional to 654,906.24, 903,439.76 and 382,796.36 is: 528,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,906.24 : 903,439.76 = 382,796.36 : x
  2. Step 2: Convert to fraction form
    654,906.24/903,439.76 = 382,796.36/x
  3. Step 3: Cross multiply
    654,906.24x = 903,439.76 × 382,796.36
  4. Step 4: Simplify right side
    654,906.24x = 345,833,451,607.27
  5. Step 5: Solve for x
    x = 345,833,451,607.27/654,906.24
  6. Step 6: Final answer
    x = 528,065.59

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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.