Home / 694,164.60-1,040,555.70-319,534.20

Finding the Fourth Proportional to 694,164.60, 1,040,555.70 and 319,534.20

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Solution

The fourth proportional to 694,164.60, 1,040,555.70 and 319,534.20 is: 478,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,164.60 : 1,040,555.70 = 319,534.20 : x
  2. Step 2: Convert to fraction form
    694,164.60/1,040,555.70 = 319,534.20/x
  3. Step 3: Cross multiply
    694,164.60x = 1,040,555.70 × 319,534.20
  4. Step 4: Simplify right side
    694,164.60x = 332,493,133,154.94
  5. Step 5: Solve for x
    x = 332,493,133,154.94/694,164.60
  6. Step 6: Final answer
    x = 478,983.13

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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.