Finding the Fourth Proportional to 1,161,963.64, 1,743,225.67 and 403,694.75
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Solution
The fourth proportional to 1,161,963.64, 1,743,225.67 and 403,694.75 is: 605,639.47
Step by Step Solution
- Step 1: Write the proportion equation
1,161,963.64 : 1,743,225.67 = 403,694.75 : x - Step 2: Convert to fraction form
1,161,963.64/1,743,225.67 = 403,694.75/x - Step 3: Cross multiply
1,161,963.64x = 1,743,225.67 × 403,694.75 - Step 4: Simplify right side
1,161,963.64x = 703,731,041,318.87 - Step 5: Solve for x
x = 703,731,041,318.87/1,161,963.64 - Step 6: Final answer
x = 605,639.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.