Home / 525,811.22-788,400.92-205,581.56

Finding the Fourth Proportional to 525,811.22, 788,400.92 and 205,581.56

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Solution

The fourth proportional to 525,811.22, 788,400.92 and 205,581.56 is: 308,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,811.22 : 788,400.92 = 205,581.56 : x
  2. Step 2: Convert to fraction form
    525,811.22/788,400.92 = 205,581.56/x
  3. Step 3: Cross multiply
    525,811.22x = 788,400.92 × 205,581.56
  4. Step 4: Simplify right side
    525,811.22x = 162,080,693,523.99
  5. Step 5: Solve for x
    x = 162,080,693,523.99/525,811.22
  6. Step 6: Final answer
    x = 308,248.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.