Home / 1,293,289.59-1,939,934.79-394,736.34

Finding the Fourth Proportional to 1,293,289.59, 1,939,934.79 and 394,736.34

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Solution

The fourth proportional to 1,293,289.59, 1,939,934.79 and 394,736.34 is: 592,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,289.59 : 1,939,934.79 = 394,736.34 : x
  2. Step 2: Convert to fraction form
    1,293,289.59/1,939,934.79 = 394,736.34/x
  3. Step 3: Cross multiply
    1,293,289.59x = 1,939,934.79 × 394,736.34
  4. Step 4: Simplify right side
    1,293,289.59x = 765,762,758,843.27
  5. Step 5: Solve for x
    x = 765,762,758,843.27/1,293,289.59
  6. Step 6: Final answer
    x = 592,104.63

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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.