Home / 526,819.75-727,012.53-285,104.07

Finding the Fourth Proportional to 526,819.75, 727,012.53 and 285,104.07

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Solution

The fourth proportional to 526,819.75, 727,012.53 and 285,104.07 is: 393,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,819.75 : 727,012.53 = 285,104.07 : x
  2. Step 2: Convert to fraction form
    526,819.75/727,012.53 = 285,104.07/x
  3. Step 3: Cross multiply
    526,819.75x = 727,012.53 × 285,104.07
  4. Step 4: Simplify right side
    526,819.75x = 207,274,231,244.00
  5. Step 5: Solve for x
    x = 207,274,231,244.00/526,819.75
  6. Step 6: Final answer
    x = 393,444.31

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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.