Home / 756,139.44-1,043,623.32-434,067.12

Finding the Fourth Proportional to 756,139.44, 1,043,623.32 and 434,067.12

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Solution

The fourth proportional to 756,139.44, 1,043,623.32 and 434,067.12 is: 599,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,139.44 : 1,043,623.32 = 434,067.12 : x
  2. Step 2: Convert to fraction form
    756,139.44/1,043,623.32 = 434,067.12/x
  3. Step 3: Cross multiply
    756,139.44x = 1,043,623.32 × 434,067.12
  4. Step 4: Simplify right side
    756,139.44x = 453,002,568,877.24
  5. Step 5: Solve for x
    x = 453,002,568,877.24/756,139.44
  6. Step 6: Final answer
    x = 599,099.25

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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.