Home / 527,512.46-727,967.90-285,795.05

Finding the Fourth Proportional to 527,512.46, 727,967.90 and 285,795.05

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Solution

The fourth proportional to 527,512.46, 727,967.90 and 285,795.05 is: 394,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,512.46 : 727,967.90 = 285,795.05 : x
  2. Step 2: Convert to fraction form
    527,512.46/727,967.90 = 285,795.05/x
  3. Step 3: Cross multiply
    527,512.46x = 727,967.90 × 285,795.05
  4. Step 4: Simplify right side
    527,512.46x = 208,049,619,453.54
  5. Step 5: Solve for x
    x = 208,049,619,453.54/527,512.46
  6. Step 6: Final answer
    x = 394,397.55

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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.