Home / 815,095.09-1,222,249.38-341,653.33

Finding the Fourth Proportional to 815,095.09, 1,222,249.38 and 341,653.33

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Solution

The fourth proportional to 815,095.09, 1,222,249.38 and 341,653.33 is: 512,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,095.09 : 1,222,249.38 = 341,653.33 : x
  2. Step 2: Convert to fraction form
    815,095.09/1,222,249.38 = 341,653.33/x
  3. Step 3: Cross multiply
    815,095.09x = 1,222,249.38 × 341,653.33
  4. Step 4: Simplify right side
    815,095.09x = 417,585,570,767.44
  5. Step 5: Solve for x
    x = 417,585,570,767.44/815,095.09
  6. Step 6: Final answer
    x = 512,315.16

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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.