Home / 1,235,782.63-1,853,758.19-394,397.83

Finding the Fourth Proportional to 1,235,782.63, 1,853,758.19 and 394,397.83

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Solution

The fourth proportional to 1,235,782.63, 1,853,758.19 and 394,397.83 is: 591,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,782.63 : 1,853,758.19 = 394,397.83 : x
  2. Step 2: Convert to fraction form
    1,235,782.63/1,853,758.19 = 394,397.83/x
  3. Step 3: Cross multiply
    1,235,782.63x = 1,853,758.19 × 394,397.83
  4. Step 4: Simplify right side
    1,235,782.63x = 731,118,207,480.73
  5. Step 5: Solve for x
    x = 731,118,207,480.73/1,235,782.63
  6. Step 6: Final answer
    x = 591,623.63

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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.