Finding the Fourth Proportional to 1,135,419.37, 1,701,201.11 and 685,194.16
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Solution
The fourth proportional to 1,135,419.37, 1,701,201.11 and 685,194.16 is: 1,026,627.78
Step by Step Solution
- Step 1: Write the proportion equation
1,135,419.37 : 1,701,201.11 = 685,194.16 : x - Step 2: Convert to fraction form
1,135,419.37/1,701,201.11 = 685,194.16/x - Step 3: Cross multiply
1,135,419.37x = 1,701,201.11 × 685,194.16 - Step 4: Simplify right side
1,135,419.37x = 1,165,653,065,557.52 - Step 5: Solve for x
x = 1,165,653,065,557.52/1,135,419.37 - Step 6: Final answer
x = 1,026,627.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.