Home / 527,198.96-727,533.25-285,481.52

Finding the Fourth Proportional to 527,198.96, 727,533.25 and 285,481.52

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Solution

The fourth proportional to 527,198.96, 727,533.25 and 285,481.52 is: 393,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,198.96 : 727,533.25 = 285,481.52 : x
  2. Step 2: Convert to fraction form
    527,198.96/727,533.25 = 285,481.52/x
  3. Step 3: Cross multiply
    527,198.96x = 727,533.25 × 285,481.52
  4. Step 4: Simplify right side
    527,198.96x = 207,697,298,060.54
  5. Step 5: Solve for x
    x = 207,697,298,060.54/527,198.96
  6. Step 6: Final answer
    x = 393,963.79

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1.5x scale

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.