Finding the Fourth Proportional to 1,177,872.30, 1,625,471.55 and 668,583.18
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Solution
The fourth proportional to 1,177,872.30, 1,625,471.55 and 668,583.18 is: 922,649.20
Step by Step Solution
- Step 1: Write the proportion equation
1,177,872.30 : 1,625,471.55 = 668,583.18 : x - Step 2: Convert to fraction form
1,177,872.30/1,625,471.55 = 668,583.18/x - Step 3: Cross multiply
1,177,872.30x = 1,625,471.55 × 668,583.18 - Step 4: Simplify right side
1,177,872.30x = 1,086,762,937,898.53 - Step 5: Solve for x
x = 1,086,762,937,898.53/1,177,872.30 - Step 6: Final answer
x = 922,649.20
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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.