Finding the Fourth Proportional to 1,252,472.19, 1,728,414.95 and 679,512.36
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Solution
The fourth proportional to 1,252,472.19, 1,728,414.95 and 679,512.36 is: 937,728.86
Step by Step Solution
- Step 1: Write the proportion equation
1,252,472.19 : 1,728,414.95 = 679,512.36 : x - Step 2: Convert to fraction form
1,252,472.19/1,728,414.95 = 679,512.36/x - Step 3: Cross multiply
1,252,472.19x = 1,728,414.95 × 679,512.36 - Step 4: Simplify right side
1,252,472.19x = 1,174,479,318,336.22 - Step 5: Solve for x
x = 1,174,479,318,336.22/1,252,472.19 - Step 6: Final answer
x = 937,728.86
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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.