Home / 1,373,899.36-1,896,921.32-858,439.68

Finding the Fourth Proportional to 1,373,899.36, 1,896,921.32 and 858,439.68

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Solution

The fourth proportional to 1,373,899.36, 1,896,921.32 and 858,439.68 is: 1,185,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,899.36 : 1,896,921.32 = 858,439.68 : x
  2. Step 2: Convert to fraction form
    1,373,899.36/1,896,921.32 = 858,439.68/x
  3. Step 3: Cross multiply
    1,373,899.36x = 1,896,921.32 × 858,439.68
  4. Step 4: Simplify right side
    1,373,899.36x = 1,628,392,530,925.98
  5. Step 5: Solve for x
    x = 1,628,392,530,925.98/1,373,899.36
  6. Step 6: Final answer
    x = 1,185,234.22

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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.