Home / 493,973.22-681,683.76-267,618.72

Finding the Fourth Proportional to 493,973.22, 681,683.76 and 267,618.72

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Solution

The fourth proportional to 493,973.22, 681,683.76 and 267,618.72 is: 369,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,973.22 : 681,683.76 = 267,618.72 : x
  2. Step 2: Convert to fraction form
    493,973.22/681,683.76 = 267,618.72/x
  3. Step 3: Cross multiply
    493,973.22x = 681,683.76 × 267,618.72
  4. Step 4: Simplify right side
    493,973.22x = 182,431,335,295.99
  5. Step 5: Solve for x
    x = 182,431,335,295.99/493,973.22
  6. Step 6: Final answer
    x = 369,314.22

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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.