Home / 824,464.80-1,236,697.20-684,496.80

Finding the Fourth Proportional to 824,464.80, 1,236,697.20 and 684,496.80

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Solution

The fourth proportional to 824,464.80, 1,236,697.20 and 684,496.80 is: 1,026,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,464.80 : 1,236,697.20 = 684,496.80 : x
  2. Step 2: Convert to fraction form
    824,464.80/1,236,697.20 = 684,496.80/x
  3. Step 3: Cross multiply
    824,464.80x = 1,236,697.20 × 684,496.80
  4. Step 4: Simplify right side
    824,464.80x = 846,515,275,968.96
  5. Step 5: Solve for x
    x = 846,515,275,968.96/824,464.80
  6. Step 6: Final answer
    x = 1,026,745.20

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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.