Home / 1,235,781.63-1,853,756.69-394,396.83

Finding the Fourth Proportional to 1,235,781.63, 1,853,756.69 and 394,396.83

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Solution

The fourth proportional to 1,235,781.63, 1,853,756.69 and 394,396.83 is: 591,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,781.63 : 1,853,756.69 = 394,396.83 : x
  2. Step 2: Convert to fraction form
    1,235,781.63/1,853,756.69 = 394,396.83/x
  3. Step 3: Cross multiply
    1,235,781.63x = 1,853,756.69 × 394,396.83
  4. Step 4: Simplify right side
    1,235,781.63x = 731,115,760,155.31
  5. Step 5: Solve for x
    x = 731,115,760,155.31/1,235,781.63
  6. Step 6: Final answer
    x = 591,622.13

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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.