Finding the Fourth Proportional to 1,135,430.91, 1,701,218.34 and 685,205.73
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Solution
The fourth proportional to 1,135,430.91, 1,701,218.34 and 685,205.73 is: 1,026,645.08
Step by Step Solution
- Step 1: Write the proportion equation
1,135,430.91 : 1,701,218.34 = 685,205.73 : x - Step 2: Convert to fraction form
1,135,430.91/1,701,218.34 = 685,205.73/x - Step 3: Cross multiply
1,135,430.91x = 1,701,218.34 × 685,205.73 - Step 4: Simplify right side
1,135,430.91x = 1,165,684,554,549.09 - Step 5: Solve for x
x = 1,165,684,554,549.09/1,135,430.91 - Step 6: Final answer
x = 1,026,645.08
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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.