Finding the Fourth Proportional to 1,465,379.76, 2,022,212 and 820,806
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Solution
The fourth proportional to 1,465,379.76, 2,022,212 and 820,806 is: 1,132,705.52
Step by Step Solution
- Step 1: Write the proportion equation
1,465,379.76 : 2,022,212 = 820,806 : x - Step 2: Convert to fraction form
1,465,379.76/2,022,212 = 820,806/x - Step 3: Cross multiply
1,465,379.76x = 2,022,212 × 820,806 - Step 4: Simplify right side
1,465,379.76x = 1,659,843,742,872 - Step 5: Solve for x
x = 1,659,843,742,872/1,465,379.76 - Step 6: Final answer
x = 1,132,705.52
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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.