Home / 527,480.44-727,923.31-285,764.69

Finding the Fourth Proportional to 527,480.44, 727,923.31 and 285,764.69

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Solution

The fourth proportional to 527,480.44, 727,923.31 and 285,764.69 is: 394,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,480.44 : 727,923.31 = 285,764.69 : x
  2. Step 2: Convert to fraction form
    527,480.44/727,923.31 = 285,764.69/x
  3. Step 3: Cross multiply
    527,480.44x = 727,923.31 × 285,764.69
  4. Step 4: Simplify right side
    527,480.44x = 208,014,780,131.32
  5. Step 5: Solve for x
    x = 208,014,780,131.32/527,480.44
  6. Step 6: Final answer
    x = 394,355.44

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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.