Home / 527,418.90-727,841.57-285,701.47

Finding the Fourth Proportional to 527,418.90, 727,841.57 and 285,701.47

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Solution

The fourth proportional to 527,418.90, 727,841.57 and 285,701.47 is: 394,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,418.90 : 727,841.57 = 285,701.47 : x
  2. Step 2: Convert to fraction form
    527,418.90/727,841.57 = 285,701.47/x
  3. Step 3: Cross multiply
    527,418.90x = 727,841.57 × 285,701.47
  4. Step 4: Simplify right side
    527,418.90x = 207,945,403,228.00
  5. Step 5: Solve for x
    x = 207,945,403,228.00/527,418.90
  6. Step 6: Final answer
    x = 394,269.91

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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.