Home / 1,223,190.78-1,834,643.53-324,702.33

Finding the Fourth Proportional to 1,223,190.78, 1,834,643.53 and 324,702.33

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Solution

The fourth proportional to 1,223,190.78, 1,834,643.53 and 324,702.33 is: 487,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,190.78 : 1,834,643.53 = 324,702.33 : x
  2. Step 2: Convert to fraction form
    1,223,190.78/1,834,643.53 = 324,702.33/x
  3. Step 3: Cross multiply
    1,223,190.78x = 1,834,643.53 × 324,702.33
  4. Step 4: Simplify right side
    1,223,190.78x = 595,713,028,910.43
  5. Step 5: Solve for x
    x = 595,713,028,910.43/1,223,190.78
  6. Step 6: Final answer
    x = 487,015.63

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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.