Home / 527,517.90-727,973.73-285,806.61

Finding the Fourth Proportional to 527,517.90, 727,973.73 and 285,806.61

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Solution

The fourth proportional to 527,517.90, 727,973.73 and 285,806.61 is: 394,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,517.90 : 727,973.73 = 285,806.61 : x
  2. Step 2: Convert to fraction form
    527,517.90/727,973.73 = 285,806.61/x
  3. Step 3: Cross multiply
    527,517.90x = 727,973.73 × 285,806.61
  4. Step 4: Simplify right side
    527,517.90x = 208,059,703,940.36
  5. Step 5: Solve for x
    x = 208,059,703,940.36/527,517.90
  6. Step 6: Final answer
    x = 394,412.60

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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.