Home / 695,974.20-1,043,961.30-518,827.20

Finding the Fourth Proportional to 695,974.20, 1,043,961.30 and 518,827.20

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Solution

The fourth proportional to 695,974.20, 1,043,961.30 and 518,827.20 is: 778,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,974.20 : 1,043,961.30 = 518,827.20 : x
  2. Step 2: Convert to fraction form
    695,974.20/1,043,961.30 = 518,827.20/x
  3. Step 3: Cross multiply
    695,974.20x = 1,043,961.30 × 518,827.20
  4. Step 4: Simplify right side
    695,974.20x = 541,635,518,187.36
  5. Step 5: Solve for x
    x = 541,635,518,187.36/695,974.20
  6. Step 6: Final answer
    x = 778,240.80

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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.