Finding the Fourth Proportional to 1,191,691.93, 1,644,527.99 and 675,543.18
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Solution
The fourth proportional to 1,191,691.93, 1,644,527.99 and 675,543.18 is: 932,245.69
Step by Step Solution
- Step 1: Write the proportion equation
1,191,691.93 : 1,644,527.99 = 675,543.18 : x - Step 2: Convert to fraction form
1,191,691.93/1,644,527.99 = 675,543.18/x - Step 3: Cross multiply
1,191,691.93x = 1,644,527.99 × 675,543.18 - Step 4: Simplify right side
1,191,691.93x = 1,110,949,664,585.89 - Step 5: Solve for x
x = 1,110,949,664,585.89/1,191,691.93 - Step 6: Final answer
x = 932,245.69
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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.