Finding the Fourth Proportional to 1,043,760.75, 1,440,389.84 and 591,139.23
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Solution
The fourth proportional to 1,043,760.75, 1,440,389.84 and 591,139.23 is: 815,772.14
Step by Step Solution
- Step 1: Write the proportion equation
1,043,760.75 : 1,440,389.84 = 591,139.23 : x - Step 2: Convert to fraction form
1,043,760.75/1,440,389.84 = 591,139.23/x - Step 3: Cross multiply
1,043,760.75x = 1,440,389.84 × 591,139.23 - Step 4: Simplify right side
1,043,760.75x = 851,470,937,961.73 - Step 5: Solve for x
x = 851,470,937,961.73/1,043,760.75 - Step 6: Final answer
x = 815,772.14
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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.