Home / 1,892,143.76-2,838,589.52-694,077.20

Finding the Fourth Proportional to 1,892,143.76, 2,838,589.52 and 694,077.20

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Solution

The fourth proportional to 1,892,143.76, 2,838,589.52 and 694,077.20 is: 1,041,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,143.76 : 2,838,589.52 = 694,077.20 : x
  2. Step 2: Convert to fraction form
    1,892,143.76/2,838,589.52 = 694,077.20/x
  3. Step 3: Cross multiply
    1,892,143.76x = 2,838,589.52 × 694,077.20
  4. Step 4: Simplify right side
    1,892,143.76x = 1,970,200,265,990.94
  5. Step 5: Solve for x
    x = 1,970,200,265,990.94/1,892,143.76
  6. Step 6: Final answer
    x = 1,041,252.95

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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.