Home / 527,296.16-727,670.88-285,581.60

Finding the Fourth Proportional to 527,296.16, 727,670.88 and 285,581.60

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Solution

The fourth proportional to 527,296.16, 727,670.88 and 285,581.60 is: 394,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,296.16 : 727,670.88 = 285,581.60 : x
  2. Step 2: Convert to fraction form
    527,296.16/727,670.88 = 285,581.60/x
  3. Step 3: Cross multiply
    527,296.16x = 727,670.88 × 285,581.60
  4. Step 4: Simplify right side
    527,296.16x = 207,809,414,183.81
  5. Step 5: Solve for x
    x = 207,809,414,183.81/527,296.16
  6. Step 6: Final answer
    x = 394,103.79

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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.