Home / 851,198.96-1,174,662.76-469,239.52

Finding the Fourth Proportional to 851,198.96, 1,174,662.76 and 469,239.52

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Solution

The fourth proportional to 851,198.96, 1,174,662.76 and 469,239.52 is: 647,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,198.96 : 1,174,662.76 = 469,239.52 : x
  2. Step 2: Convert to fraction form
    851,198.96/1,174,662.76 = 469,239.52/x
  3. Step 3: Cross multiply
    851,198.96x = 1,174,662.76 × 469,239.52
  4. Step 4: Simplify right side
    851,198.96x = 551,198,189,664.28
  5. Step 5: Solve for x
    x = 551,198,189,664.28/851,198.96
  6. Step 6: Final answer
    x = 647,555.06

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1.5x scale

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.