Finding the Fourth Proportional to 1,177,728.51, 1,758,614.77 and 935,120.17
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Solution
The fourth proportional to 1,177,728.51, 1,758,614.77 and 935,120.17 is: 1,396,345.69
Step by Step Solution
- Step 1: Write the proportion equation
1,177,728.51 : 1,758,614.77 = 935,120.17 : x - Step 2: Convert to fraction form
1,177,728.51/1,758,614.77 = 935,120.17/x - Step 3: Cross multiply
1,177,728.51x = 1,758,614.77 × 935,120.17 - Step 4: Simplify right side
1,177,728.51x = 1,644,516,133,893.84 - Step 5: Solve for x
x = 1,644,516,133,893.84/1,177,728.51 - Step 6: Final answer
x = 1,396,345.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.