Finding the Fourth Proportional to 1,582,703.76, 2,184,128.11 and 857,571.11
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Solution
The fourth proportional to 1,582,703.76, 2,184,128.11 and 857,571.11 is: 1,183,446.46
Step by Step Solution
- Step 1: Write the proportion equation
1,582,703.76 : 2,184,128.11 = 857,571.11 : x - Step 2: Convert to fraction form
1,582,703.76/2,184,128.11 = 857,571.11/x - Step 3: Cross multiply
1,582,703.76x = 2,184,128.11 × 857,571.11 - Step 4: Simplify right side
1,582,703.76x = 1,873,045,167,674.90 - Step 5: Solve for x
x = 1,873,045,167,674.90/1,582,703.76 - Step 6: Final answer
x = 1,183,446.46
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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.