Finding the Fourth Proportional to 1,118,583.87, 1,678,095.11 and 444,539.53
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Solution
The fourth proportional to 1,118,583.87, 1,678,095.11 and 444,539.53 is: 666,896.45
Step by Step Solution
- Step 1: Write the proportion equation
1,118,583.87 : 1,678,095.11 = 444,539.53 : x - Step 2: Convert to fraction form
1,118,583.87/1,678,095.11 = 444,539.53/x - Step 3: Cross multiply
1,118,583.87x = 1,678,095.11 × 444,539.53 - Step 4: Simplify right side
1,118,583.87x = 745,979,611,494.70 - Step 5: Solve for x
x = 745,979,611,494.70/1,118,583.87 - Step 6: Final answer
x = 666,896.45
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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.