Home / 525,654.72-725,403.41-283,937.30

Finding the Fourth Proportional to 525,654.72, 725,403.41 and 283,937.30

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Solution

The fourth proportional to 525,654.72, 725,403.41 and 283,937.30 is: 391,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,654.72 : 725,403.41 = 283,937.30 : x
  2. Step 2: Convert to fraction form
    525,654.72/725,403.41 = 283,937.30/x
  3. Step 3: Cross multiply
    525,654.72x = 725,403.41 × 283,937.30
  4. Step 4: Simplify right side
    525,654.72x = 205,969,082,413.00
  5. Step 5: Solve for x
    x = 205,969,082,413.00/525,654.72
  6. Step 6: Final answer
    x = 391,833.41

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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.