Finding the Fourth Proportional to 1,381,505, 2,072,374.14 and 384,233
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Solution
The fourth proportional to 1,381,505, 2,072,374.14 and 384,233 is: 576,381.94
Step by Step Solution
- Step 1: Write the proportion equation
1,381,505 : 2,072,374.14 = 384,233 : x - Step 2: Convert to fraction form
1,381,505/2,072,374.14 = 384,233/x - Step 3: Cross multiply
1,381,505x = 2,072,374.14 × 384,233 - Step 4: Simplify right side
1,381,505x = 796,274,532,934.62 - Step 5: Solve for x
x = 796,274,532,934.62/1,381,505 - Step 6: Final answer
x = 576,381.94
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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.