Home / 1,292,598.94-1,939,189.14-394,131.50

Finding the Fourth Proportional to 1,292,598.94, 1,939,189.14 and 394,131.50

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Solution

The fourth proportional to 1,292,598.94, 1,939,189.14 and 394,131.50 is: 591,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,598.94 : 1,939,189.14 = 394,131.50 : x
  2. Step 2: Convert to fraction form
    1,292,598.94/1,939,189.14 = 394,131.50/x
  3. Step 3: Cross multiply
    1,292,598.94x = 1,939,189.14 × 394,131.50
  4. Step 4: Simplify right side
    1,292,598.94x = 764,295,524,531.91
  5. Step 5: Solve for x
    x = 764,295,524,531.91/1,292,598.94
  6. Step 6: Final answer
    x = 591,285.90

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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.