Home / 1,235,825.42-1,853,770.53-394,376.38

Finding the Fourth Proportional to 1,235,825.42, 1,853,770.53 and 394,376.38

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Solution

The fourth proportional to 1,235,825.42, 1,853,770.53 and 394,376.38 is: 591,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,825.42 : 1,853,770.53 = 394,376.38 : x
  2. Step 2: Convert to fraction form
    1,235,825.42/1,853,770.53 = 394,376.38/x
  3. Step 3: Cross multiply
    1,235,825.42x = 1,853,770.53 × 394,376.38
  4. Step 4: Simplify right side
    1,235,825.42x = 731,083,310,972.08
  5. Step 5: Solve for x
    x = 731,083,310,972.08/1,235,825.42
  6. Step 6: Final answer
    x = 591,574.91

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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.