Home / 691,124.36-1,036,616.44-185,619.64

Finding the Fourth Proportional to 691,124.36, 1,036,616.44 and 185,619.64

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Solution

The fourth proportional to 691,124.36, 1,036,616.44 and 185,619.64 is: 278,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,124.36 : 1,036,616.44 = 185,619.64 : x
  2. Step 2: Convert to fraction form
    691,124.36/1,036,616.44 = 185,619.64/x
  3. Step 3: Cross multiply
    691,124.36x = 1,036,616.44 × 185,619.64
  4. Step 4: Simplify right side
    691,124.36x = 192,416,370,410.88
  5. Step 5: Solve for x
    x = 192,416,370,410.88/691,124.36
  6. Step 6: Final answer
    x = 278,410.63

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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.