Home / 537,996.20-805,244.70-419,023.40

Finding the Fourth Proportional to 537,996.20, 805,244.70 and 419,023.40

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Solution

The fourth proportional to 537,996.20, 805,244.70 and 419,023.40 is: 627,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,996.20 : 805,244.70 = 419,023.40 : x
  2. Step 2: Convert to fraction form
    537,996.20/805,244.70 = 419,023.40/x
  3. Step 3: Cross multiply
    537,996.20x = 805,244.70 × 419,023.40
  4. Step 4: Simplify right side
    537,996.20x = 337,416,372,025.98
  5. Step 5: Solve for x
    x = 337,416,372,025.98/537,996.20
  6. Step 6: Final answer
    x = 627,172.41

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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.