Home / 694,470.08-1,041,420-221,028.32

Finding the Fourth Proportional to 694,470.08, 1,041,420 and 221,028.32

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Solution

The fourth proportional to 694,470.08, 1,041,420 and 221,028.32 is: 331,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,470.08 : 1,041,420 = 221,028.32 : x
  2. Step 2: Convert to fraction form
    694,470.08/1,041,420 = 221,028.32/x
  3. Step 3: Cross multiply
    694,470.08x = 1,041,420 × 221,028.32
  4. Step 4: Simplify right side
    694,470.08x = 230,183,313,014.40
  5. Step 5: Solve for x
    x = 230,183,313,014.40/694,470.08
  6. Step 6: Final answer
    x = 331,451.74

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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.