Home / 837,786.43-1,256,718.53-238,788.19

Finding the Fourth Proportional to 837,786.43, 1,256,718.53 and 238,788.19

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Solution

The fourth proportional to 837,786.43, 1,256,718.53 and 238,788.19 is: 358,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,786.43 : 1,256,718.53 = 238,788.19 : x
  2. Step 2: Convert to fraction form
    837,786.43/1,256,718.53 = 238,788.19/x
  3. Step 3: Cross multiply
    837,786.43x = 1,256,718.53 × 238,788.19
  4. Step 4: Simplify right side
    837,786.43x = 300,089,543,118.16
  5. Step 5: Solve for x
    x = 300,089,543,118.16/837,786.43
  6. Step 6: Final answer
    x = 358,193.37

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1.5x scale

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.