Home / 1,223,480.25-1,835,610.39-513,317.61

Finding the Fourth Proportional to 1,223,480.25, 1,835,610.39 and 513,317.61

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Solution

The fourth proportional to 1,223,480.25, 1,835,610.39 and 513,317.61 is: 770,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,480.25 : 1,835,610.39 = 513,317.61 : x
  2. Step 2: Convert to fraction form
    1,223,480.25/1,835,610.39 = 513,317.61/x
  3. Step 3: Cross multiply
    1,223,480.25x = 1,835,610.39 × 513,317.61
  4. Step 4: Simplify right side
    1,223,480.25x = 942,251,138,285.97
  5. Step 5: Solve for x
    x = 942,251,138,285.97/1,223,480.25
  6. Step 6: Final answer
    x = 770,140.05

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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.