Home / 1,310,219.12-1,965,352.92-411,644

Finding the Fourth Proportional to 1,310,219.12, 1,965,352.92 and 411,644

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Solution

The fourth proportional to 1,310,219.12, 1,965,352.92 and 411,644 is: 617,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,219.12 : 1,965,352.92 = 411,644 : x
  2. Step 2: Convert to fraction form
    1,310,219.12/1,965,352.92 = 411,644/x
  3. Step 3: Cross multiply
    1,310,219.12x = 1,965,352.92 × 411,644
  4. Step 4: Simplify right side
    1,310,219.12x = 809,025,737,400.48
  5. Step 5: Solve for x
    x = 809,025,737,400.48/1,310,219.12
  6. Step 6: Final answer
    x = 617,473.62

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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.