Finding the Fourth Proportional to 1,229,544.11, 1,696,767.58 and 685,680.53
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Solution
The fourth proportional to 1,229,544.11, 1,696,767.58 and 685,680.53 is: 946,237.29
Step by Step Solution
- Step 1: Write the proportion equation
1,229,544.11 : 1,696,767.58 = 685,680.53 : x - Step 2: Convert to fraction form
1,229,544.11/1,696,767.58 = 685,680.53/x - Step 3: Cross multiply
1,229,544.11x = 1,696,767.58 × 685,680.53 - Step 4: Simplify right side
1,229,544.11x = 1,163,440,483,343.18 - Step 5: Solve for x
x = 1,163,440,483,343.18/1,229,544.11 - Step 6: Final answer
x = 946,237.29
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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.