Home / 525,525.30-725,224.89-283,807.85

Finding the Fourth Proportional to 525,525.30, 725,224.89 and 283,807.85

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Solution

The fourth proportional to 525,525.30, 725,224.89 and 283,807.85 is: 391,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,525.30 : 725,224.89 = 283,807.85 : x
  2. Step 2: Convert to fraction form
    525,525.30/725,224.89 = 283,807.85/x
  3. Step 3: Cross multiply
    525,525.30x = 725,224.89 × 283,807.85
  4. Step 4: Simplify right side
    525,525.30x = 205,824,511,752.22
  5. Step 5: Solve for x
    x = 205,824,511,752.22/525,525.30
  6. Step 6: Final answer
    x = 391,654.81

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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.