Home / 622,942.88-859,851.18-361,364.30

Finding the Fourth Proportional to 622,942.88, 859,851.18 and 361,364.30

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Solution

The fourth proportional to 622,942.88, 859,851.18 and 361,364.30 is: 498,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,942.88 : 859,851.18 = 361,364.30 : x
  2. Step 2: Convert to fraction form
    622,942.88/859,851.18 = 361,364.30/x
  3. Step 3: Cross multiply
    622,942.88x = 859,851.18 × 361,364.30
  4. Step 4: Simplify right side
    622,942.88x = 310,719,515,465.62
  5. Step 5: Solve for x
    x = 310,719,515,465.62/622,942.88
  6. Step 6: Final answer
    x = 498,792.95

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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.