Home / 495,592.20-743,416.52-140,578.38

Finding the Fourth Proportional to 495,592.20, 743,416.52 and 140,578.38

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Solution

The fourth proportional to 495,592.20, 743,416.52 and 140,578.38 is: 210,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,592.20 : 743,416.52 = 140,578.38 : x
  2. Step 2: Convert to fraction form
    495,592.20/743,416.52 = 140,578.38/x
  3. Step 3: Cross multiply
    495,592.20x = 743,416.52 × 140,578.38
  4. Step 4: Simplify right side
    495,592.20x = 104,508,289,343.95
  5. Step 5: Solve for x
    x = 104,508,289,343.95/495,592.20
  6. Step 6: Final answer
    x = 210,875.57

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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.