Finding the Fourth Proportional to 1,226,871.06, 1,840,682.18 and 628,256.05
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Solution
The fourth proportional to 1,226,871.06, 1,840,682.18 and 628,256.05 is: 942,576.41
Step by Step Solution
- Step 1: Write the proportion equation
1,226,871.06 : 1,840,682.18 = 628,256.05 : x - Step 2: Convert to fraction form
1,226,871.06/1,840,682.18 = 628,256.05/x - Step 3: Cross multiply
1,226,871.06x = 1,840,682.18 × 628,256.05 - Step 4: Simplify right side
1,226,871.06x = 1,156,419,715,712.19 - Step 5: Solve for x
x = 1,156,419,715,712.19/1,226,871.06 - Step 6: Final answer
x = 942,576.41
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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.