Home / 1,219,806.64-1,684,173.36-932,826.88

Finding the Fourth Proportional to 1,219,806.64, 1,684,173.36 and 932,826.88

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Solution

The fourth proportional to 1,219,806.64, 1,684,173.36 and 932,826.88 is: 1,287,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,806.64 : 1,684,173.36 = 932,826.88 : x
  2. Step 2: Convert to fraction form
    1,219,806.64/1,684,173.36 = 932,826.88/x
  3. Step 3: Cross multiply
    1,219,806.64x = 1,684,173.36 × 932,826.88
  4. Step 4: Simplify right side
    1,219,806.64x = 1,571,042,180,787.92
  5. Step 5: Solve for x
    x = 1,571,042,180,787.92/1,219,806.64
  6. Step 6: Final answer
    x = 1,287,943.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.