Finding the Fourth Proportional to 1,137,614.44, 1,569,773.64 and 628,286.44
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Solution
The fourth proportional to 1,137,614.44, 1,569,773.64 and 628,286.44 is: 866,961.12
Step by Step Solution
- Step 1: Write the proportion equation
1,137,614.44 : 1,569,773.64 = 628,286.44 : x - Step 2: Convert to fraction form
1,137,614.44/1,569,773.64 = 628,286.44/x - Step 3: Cross multiply
1,137,614.44x = 1,569,773.64 × 628,286.44 - Step 4: Simplify right side
1,137,614.44x = 986,267,491,881.44 - Step 5: Solve for x
x = 986,267,491,881.44/1,137,614.44 - Step 6: Final answer
x = 866,961.12
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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.