Finding the Fourth Proportional to 1,188,540.94, 1,777,723.44 and 1,102,389.34
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Solution
The fourth proportional to 1,188,540.94, 1,777,723.44 and 1,102,389.34 is: 1,648,864.84
Step by Step Solution
- Step 1: Write the proportion equation
1,188,540.94 : 1,777,723.44 = 1,102,389.34 : x - Step 2: Convert to fraction form
1,188,540.94/1,777,723.44 = 1,102,389.34/x - Step 3: Cross multiply
1,188,540.94x = 1,777,723.44 × 1,102,389.34 - Step 4: Simplify right side
1,188,540.94x = 1,959,743,369,724.13 - Step 5: Solve for x
x = 1,959,743,369,724.13/1,188,540.94 - Step 6: Final answer
x = 1,648,864.84
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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.