Home / 825,245.55-1,138,841.75-519,524.21

Finding the Fourth Proportional to 825,245.55, 1,138,841.75 and 519,524.21

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Solution

The fourth proportional to 825,245.55, 1,138,841.75 and 519,524.21 is: 716,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,245.55 : 1,138,841.75 = 519,524.21 : x
  2. Step 2: Convert to fraction form
    825,245.55/1,138,841.75 = 519,524.21/x
  3. Step 3: Cross multiply
    825,245.55x = 1,138,841.75 × 519,524.21
  4. Step 4: Simplify right side
    825,245.55x = 591,655,864,629.68
  5. Step 5: Solve for x
    x = 591,655,864,629.68/825,245.55
  6. Step 6: Final answer
    x = 716,945.23

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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.