Home / 495,634.20-743,479.62-140,620.20

Finding the Fourth Proportional to 495,634.20, 743,479.62 and 140,620.20

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Solution

The fourth proportional to 495,634.20, 743,479.62 and 140,620.20 is: 210,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,634.20 : 743,479.62 = 140,620.20 : x
  2. Step 2: Convert to fraction form
    495,634.20/743,479.62 = 140,620.20/x
  3. Step 3: Cross multiply
    495,634.20x = 743,479.62 × 140,620.20
  4. Step 4: Simplify right side
    495,634.20x = 104,548,252,860.32
  5. Step 5: Solve for x
    x = 104,548,252,860.32/495,634.20
  6. Step 6: Final answer
    x = 210,938.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.