Home / 527,087.82-727,381.62-285,370.56

Finding the Fourth Proportional to 527,087.82, 727,381.62 and 285,370.56

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Solution

The fourth proportional to 527,087.82, 727,381.62 and 285,370.56 is: 393,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,087.82 : 727,381.62 = 285,370.56 : x
  2. Step 2: Convert to fraction form
    527,087.82/727,381.62 = 285,370.56/x
  3. Step 3: Cross multiply
    527,087.82x = 727,381.62 × 285,370.56
  4. Step 4: Simplify right side
    527,087.82x = 207,573,300,233.11
  5. Step 5: Solve for x
    x = 207,573,300,233.11/527,087.82
  6. Step 6: Final answer
    x = 393,811.60

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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.