Home / 837,593.06-1,256,530.71-388,131.62

Finding the Fourth Proportional to 837,593.06, 1,256,530.71 and 388,131.62

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Solution

The fourth proportional to 837,593.06, 1,256,530.71 and 388,131.62 is: 582,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,593.06 : 1,256,530.71 = 388,131.62 : x
  2. Step 2: Convert to fraction form
    837,593.06/1,256,530.71 = 388,131.62/x
  3. Step 3: Cross multiply
    837,593.06x = 1,256,530.71 × 388,131.62
  4. Step 4: Simplify right side
    837,593.06x = 487,699,300,052.05
  5. Step 5: Solve for x
    x = 487,699,300,052.05/837,593.06
  6. Step 6: Final answer
    x = 582,262.82

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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.