Finding the Fourth Proportional to 1,066,091.20, 1,471,202.35 and 582,656.23
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Solution
The fourth proportional to 1,066,091.20, 1,471,202.35 and 582,656.23 is: 804,063.68
Step by Step Solution
- Step 1: Write the proportion equation
1,066,091.20 : 1,471,202.35 = 582,656.23 : x - Step 2: Convert to fraction form
1,066,091.20/1,471,202.35 = 582,656.23/x - Step 3: Cross multiply
1,066,091.20x = 1,471,202.35 × 582,656.23 - Step 4: Simplify right side
1,066,091.20x = 857,205,214,818.14 - Step 5: Solve for x
x = 857,205,214,818.14/1,066,091.20 - Step 6: Final answer
x = 804,063.68
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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.