Home / 763,261.82-1,150,378.94-657,917.19

Finding the Fourth Proportional to 763,261.82, 1,150,378.94 and 657,917.19

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Solution

The fourth proportional to 763,261.82, 1,150,378.94 and 657,917.19 is: 991,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,261.82 : 1,150,378.94 = 657,917.19 : x
  2. Step 2: Convert to fraction form
    763,261.82/1,150,378.94 = 657,917.19/x
  3. Step 3: Cross multiply
    763,261.82x = 1,150,378.94 × 657,917.19
  4. Step 4: Simplify right side
    763,261.82x = 756,854,076,350.39
  5. Step 5: Solve for x
    x = 756,854,076,350.39/763,261.82
  6. Step 6: Final answer
    x = 991,604.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.