Finding the Fourth Proportional to 1,219,883.12, 1,683,442.68 and 676,027.88
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Solution
The fourth proportional to 1,219,883.12, 1,683,442.68 and 676,027.88 is: 932,920.68
Step by Step Solution
- Step 1: Write the proportion equation
1,219,883.12 : 1,683,442.68 = 676,027.88 : x - Step 2: Convert to fraction form
1,219,883.12/1,683,442.68 = 676,027.88/x - Step 3: Cross multiply
1,219,883.12x = 1,683,442.68 × 676,027.88 - Step 4: Simplify right side
1,219,883.12x = 1,138,054,186,061.92 - Step 5: Solve for x
x = 1,138,054,186,061.92/1,219,883.12 - Step 6: Final answer
x = 932,920.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.