Finding the Fourth Proportional to 1,133,194.11, 1,565,212.17 and 822,600.99
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Solution
The fourth proportional to 1,133,194.11, 1,565,212.17 and 822,600.99 is: 1,136,208.77
Step by Step Solution
- Step 1: Write the proportion equation
1,133,194.11 : 1,565,212.17 = 822,600.99 : x - Step 2: Convert to fraction form
1,133,194.11/1,565,212.17 = 822,600.99/x - Step 3: Cross multiply
1,133,194.11x = 1,565,212.17 × 822,600.99 - Step 4: Simplify right side
1,133,194.11x = 1,287,545,080,602.05 - Step 5: Solve for x
x = 1,287,545,080,602.05/1,133,194.11 - Step 6: Final answer
x = 1,136,208.77
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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.