Finding the Fourth Proportional to 1,226,872.06, 1,840,683.68 and 628,257.05
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Solution
The fourth proportional to 1,226,872.06, 1,840,683.68 and 628,257.05 is: 942,577.91
Step by Step Solution
- Step 1: Write the proportion equation
1,226,872.06 : 1,840,683.68 = 628,257.05 : x - Step 2: Convert to fraction form
1,226,872.06/1,840,683.68 = 628,257.05/x - Step 3: Cross multiply
1,226,872.06x = 1,840,683.68 × 628,257.05 - Step 4: Simplify right side
1,226,872.06x = 1,156,422,498,779.94 - Step 5: Solve for x
x = 1,156,422,498,779.94/1,226,872.06 - Step 6: Final answer
x = 942,577.91
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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.