Home / 912,434.64-1,259,049.96-504,481.36

Finding the Fourth Proportional to 912,434.64, 1,259,049.96 and 504,481.36

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Solution

The fourth proportional to 912,434.64, 1,259,049.96 and 504,481.36 is: 696,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,434.64 : 1,259,049.96 = 504,481.36 : x
  2. Step 2: Convert to fraction form
    912,434.64/1,259,049.96 = 504,481.36/x
  3. Step 3: Cross multiply
    912,434.64x = 1,259,049.96 × 504,481.36
  4. Step 4: Simplify right side
    912,434.64x = 635,167,236,128.75
  5. Step 5: Solve for x
    x = 635,167,236,128.75/912,434.64
  6. Step 6: Final answer
    x = 696,123.54

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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.