Home / 936,007.36-1,291,690.44-528,195.88

Finding the Fourth Proportional to 936,007.36, 1,291,690.44 and 528,195.88

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Solution

The fourth proportional to 936,007.36, 1,291,690.44 and 528,195.88 is: 728,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,007.36 : 1,291,690.44 = 528,195.88 : x
  2. Step 2: Convert to fraction form
    936,007.36/1,291,690.44 = 528,195.88/x
  3. Step 3: Cross multiply
    936,007.36x = 1,291,690.44 × 528,195.88
  4. Step 4: Simplify right side
    936,007.36x = 682,265,568,643.39
  5. Step 5: Solve for x
    x = 682,265,568,643.39/936,007.36
  6. Step 6: Final answer
    x = 728,910.47

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1.5x scale

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.