Home / 1,638,205.08-2,260,836.56-993,652.44

Finding the Fourth Proportional to 1,638,205.08, 2,260,836.56 and 993,652.44

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Solution

The fourth proportional to 1,638,205.08, 2,260,836.56 and 993,652.44 is: 1,371,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,205.08 : 2,260,836.56 = 993,652.44 : x
  2. Step 2: Convert to fraction form
    1,638,205.08/2,260,836.56 = 993,652.44/x
  3. Step 3: Cross multiply
    1,638,205.08x = 2,260,836.56 × 993,652.44
  4. Step 4: Simplify right side
    1,638,205.08x = 2,246,485,764,285.21
  5. Step 5: Solve for x
    x = 2,246,485,764,285.21/1,638,205.08
  6. Step 6: Final answer
    x = 1,371,309.24

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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.