Home / 1,292,594.93-1,939,183.14-394,127.49

Finding the Fourth Proportional to 1,292,594.93, 1,939,183.14 and 394,127.49

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Solution

The fourth proportional to 1,292,594.93, 1,939,183.14 and 394,127.49 is: 591,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,594.93 : 1,939,183.14 = 394,127.49 : x
  2. Step 2: Convert to fraction form
    1,292,594.93/1,939,183.14 = 394,127.49/x
  3. Step 3: Cross multiply
    1,292,594.93x = 1,939,183.14 × 394,127.49
  4. Step 4: Simplify right side
    1,292,594.93x = 764,285,383,618.52
  5. Step 5: Solve for x
    x = 764,285,383,618.52/1,292,594.93
  6. Step 6: Final answer
    x = 591,279.89

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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.