Home / 851,218.14-1,174,684.59-469,236.54

Finding the Fourth Proportional to 851,218.14, 1,174,684.59 and 469,236.54

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Solution

The fourth proportional to 851,218.14, 1,174,684.59 and 469,236.54 is: 647,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,218.14 : 1,174,684.59 = 469,236.54 : x
  2. Step 2: Convert to fraction form
    851,218.14/1,174,684.59 = 469,236.54/x
  3. Step 3: Cross multiply
    851,218.14x = 1,174,684.59 × 469,236.54
  4. Step 4: Simplify right side
    851,218.14x = 551,204,932,602.92
  5. Step 5: Solve for x
    x = 551,204,932,602.92/851,218.14
  6. Step 6: Final answer
    x = 647,548.39

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Double scale
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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.