Home / 527,451.51-727,883.43-285,735.05

Finding the Fourth Proportional to 527,451.51, 727,883.43 and 285,735.05

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Solution

The fourth proportional to 527,451.51, 727,883.43 and 285,735.05 is: 394,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,451.51 : 727,883.43 = 285,735.05 : x
  2. Step 2: Convert to fraction form
    527,451.51/727,883.43 = 285,735.05/x
  3. Step 3: Cross multiply
    527,451.51x = 727,883.43 × 285,735.05
  4. Step 4: Simplify right side
    527,451.51x = 207,981,804,625.80
  5. Step 5: Solve for x
    x = 207,981,804,625.80/527,451.51
  6. Step 6: Final answer
    x = 394,314.55

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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.