Finding the Fourth Proportional to 1,043,936.28, 1,440,733.26 and 585,128.82
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Solution
The fourth proportional to 1,043,936.28, 1,440,733.26 and 585,128.82 is: 807,534.49
Step by Step Solution
- Step 1: Write the proportion equation
1,043,936.28 : 1,440,733.26 = 585,128.82 : x - Step 2: Convert to fraction form
1,043,936.28/1,440,733.26 = 585,128.82/x - Step 3: Cross multiply
1,043,936.28x = 1,440,733.26 × 585,128.82 - Step 4: Simplify right side
1,043,936.28x = 843,014,552,358.55 - Step 5: Solve for x
x = 843,014,552,358.55/1,043,936.28 - Step 6: Final answer
x = 807,534.49
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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.