Home / 936,003.26-1,291,573.39-528,081.27

Finding the Fourth Proportional to 936,003.26, 1,291,573.39 and 528,081.27

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Solution

The fourth proportional to 936,003.26, 1,291,573.39 and 528,081.27 is: 728,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,003.26 : 1,291,573.39 = 528,081.27 : x
  2. Step 2: Convert to fraction form
    936,003.26/1,291,573.39 = 528,081.27/x
  3. Step 3: Cross multiply
    936,003.26x = 1,291,573.39 × 528,081.27
  4. Step 4: Simplify right side
    936,003.26x = 682,055,716,089.41
  5. Step 5: Solve for x
    x = 682,055,716,089.41/936,003.26
  6. Step 6: Final answer
    x = 728,689.47

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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.