Finding the Fourth Proportional to 1,639,720.29, 2,262,817.11 and 914,614.98
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Solution
The fourth proportional to 1,639,720.29, 2,262,817.11 and 914,614.98 is: 1,262,170.40
Step by Step Solution
- Step 1: Write the proportion equation
1,639,720.29 : 2,262,817.11 = 914,614.98 : x - Step 2: Convert to fraction form
1,639,720.29/2,262,817.11 = 914,614.98/x - Step 3: Cross multiply
1,639,720.29x = 2,262,817.11 × 914,614.98 - Step 4: Simplify right side
1,639,720.29x = 2,069,606,420,750.55 - Step 5: Solve for x
x = 2,069,606,420,750.55/1,639,720.29 - Step 6: Final answer
x = 1,262,170.40
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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.