Finding the Fourth Proportional to 1,163,839.68, 1,605,857.97 and 680,311.26
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Solution
The fourth proportional to 1,163,839.68, 1,605,857.97 and 680,311.26 is: 938,688.79
Step by Step Solution
- Step 1: Write the proportion equation
1,163,839.68 : 1,605,857.97 = 680,311.26 : x - Step 2: Convert to fraction form
1,163,839.68/1,605,857.97 = 680,311.26/x - Step 3: Cross multiply
1,163,839.68x = 1,605,857.97 × 680,311.26 - Step 4: Simplify right side
1,163,839.68x = 1,092,483,258,951.74 - Step 5: Solve for x
x = 1,092,483,258,951.74/1,163,839.68 - Step 6: Final answer
x = 938,688.79
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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.