Finding the Fourth Proportional to 1,145,836.26, 1,725,609.29 and 1,043,686.08
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Solution
The fourth proportional to 1,145,836.26, 1,725,609.29 and 1,043,686.08 is: 1,571,772.91
Step by Step Solution
- Step 1: Write the proportion equation
1,145,836.26 : 1,725,609.29 = 1,043,686.08 : x - Step 2: Convert to fraction form
1,145,836.26/1,725,609.29 = 1,043,686.08/x - Step 3: Cross multiply
1,145,836.26x = 1,725,609.29 × 1,043,686.08 - Step 4: Simplify right side
1,145,836.26x = 1,800,994,390,273.25 - Step 5: Solve for x
x = 1,800,994,390,273.25/1,145,836.26 - Step 6: Final answer
x = 1,571,772.91
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.