Home / 525,828.24-725,601.96-321,794.64

Finding the Fourth Proportional to 525,828.24, 725,601.96 and 321,794.64

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Solution

The fourth proportional to 525,828.24, 725,601.96 and 321,794.64 is: 444,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,828.24 : 725,601.96 = 321,794.64 : x
  2. Step 2: Convert to fraction form
    525,828.24/725,601.96 = 321,794.64/x
  3. Step 3: Cross multiply
    525,828.24x = 725,601.96 × 321,794.64
  4. Step 4: Simplify right side
    525,828.24x = 233,494,821,501.49
  5. Step 5: Solve for x
    x = 233,494,821,501.49/525,828.24
  6. Step 6: Final answer
    x = 444,051.51

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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.