Finding the Fourth Proportional to 1,066,039.09, 1,471,137.79 and 582,604.09
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Solution
The fourth proportional to 1,066,039.09, 1,471,137.79 and 582,604.09 is: 803,995.74
Step by Step Solution
- Step 1: Write the proportion equation
1,066,039.09 : 1,471,137.79 = 582,604.09 : x - Step 2: Convert to fraction form
1,066,039.09/1,471,137.79 = 582,604.09/x - Step 3: Cross multiply
1,066,039.09x = 1,471,137.79 × 582,604.09 - Step 4: Simplify right side
1,066,039.09x = 857,090,890,494.54 - Step 5: Solve for x
x = 857,090,890,494.54/1,066,039.09 - Step 6: Final answer
x = 803,995.74
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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.