Finding the Fourth Proportional to 622,857.14, 853,936.93 and 611,506.84
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Solution
The fourth proportional to 622,857.14, 853,936.93 and 611,506.84 is: 838,375.67
Step by Step Solution
- Step 1: Write the proportion equation
622,857.14 : 853,936.93 = 611,506.84 : x - Step 2: Convert to fraction form
622,857.14/853,936.93 = 611,506.84/x - Step 3: Cross multiply
622,857.14x = 853,936.93 × 611,506.84 - Step 4: Simplify right side
622,857.14x = 522,188,276,255.97 - Step 5: Solve for x
x = 522,188,276,255.97/622,857.14 - Step 6: Final answer
x = 838,375.67
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.