Home / 527,418.79-727,841.44-285,701.38

Finding the Fourth Proportional to 527,418.79, 727,841.44 and 285,701.38

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Solution

The fourth proportional to 527,418.79, 727,841.44 and 285,701.38 is: 394,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,418.79 : 727,841.44 = 285,701.38 : x
  2. Step 2: Convert to fraction form
    527,418.79/727,841.44 = 285,701.38/x
  3. Step 3: Cross multiply
    527,418.79x = 727,841.44 × 285,701.38
  4. Step 4: Simplify right side
    527,418.79x = 207,945,301,295.33
  5. Step 5: Solve for x
    x = 207,945,301,295.33/527,418.79
  6. Step 6: Final answer
    x = 394,269.80

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1.5x scale

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.