Finding the Fourth Proportional to 1,512,556.64, 2,087,342.16 and 833,517.44
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Solution
The fourth proportional to 1,512,556.64, 2,087,342.16 and 833,517.44 is: 1,150,261.78
Step by Step Solution
- Step 1: Write the proportion equation
1,512,556.64 : 2,087,342.16 = 833,517.44 : x - Step 2: Convert to fraction form
1,512,556.64/2,087,342.16 = 833,517.44/x - Step 3: Cross multiply
1,512,556.64x = 2,087,342.16 × 833,517.44 - Step 4: Simplify right side
1,512,556.64x = 1,739,836,093,607.27 - Step 5: Solve for x
x = 1,739,836,093,607.27/1,512,556.64 - Step 6: Final answer
x = 1,150,261.78
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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.