Home / 526,821.79-727,014.14-285,104.43

Finding the Fourth Proportional to 526,821.79, 727,014.14 and 285,104.43

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Solution

The fourth proportional to 526,821.79, 727,014.14 and 285,104.43 is: 393,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,821.79 : 727,014.14 = 285,104.43 : x
  2. Step 2: Convert to fraction form
    526,821.79/727,014.14 = 285,104.43/x
  3. Step 3: Cross multiply
    526,821.79x = 727,014.14 × 285,104.43
  4. Step 4: Simplify right side
    526,821.79x = 207,274,951,986.64
  5. Step 5: Solve for x
    x = 207,274,951,986.64/526,821.79
  6. Step 6: Final answer
    x = 393,444.15

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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.