Finding the Fourth Proportional to 721,828.96, 1,082,738.58 and 564,190
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Solution
The fourth proportional to 721,828.96, 1,082,738.58 and 564,190 is: 846,281.20
Step by Step Solution
- Step 1: Write the proportion equation
721,828.96 : 1,082,738.58 = 564,190 : x - Step 2: Convert to fraction form
721,828.96/1,082,738.58 = 564,190/x - Step 3: Cross multiply
721,828.96x = 1,082,738.58 × 564,190 - Step 4: Simplify right side
721,828.96x = 610,870,279,450.20 - Step 5: Solve for x
x = 610,870,279,450.20/721,828.96 - Step 6: Final answer
x = 846,281.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.