Home / 878,183.00-1,211,876.74-496,201.58

Finding the Fourth Proportional to 878,183.00, 1,211,876.74 and 496,201.58

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Solution

The fourth proportional to 878,183.00, 1,211,876.74 and 496,201.58 is: 684,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,183.00 : 1,211,876.74 = 496,201.58 : x
  2. Step 2: Convert to fraction form
    878,183.00/1,211,876.74 = 496,201.58/x
  3. Step 3: Cross multiply
    878,183.00x = 1,211,876.74 × 496,201.58
  4. Step 4: Simplify right side
    878,183.00x = 601,335,152,258.66
  5. Step 5: Solve for x
    x = 601,335,152,258.66/878,183.00
  6. Step 6: Final answer
    x = 684,749.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.