Finding the Fourth Proportional to 1,105,569.96, 1,525,668.68 and 622,134.84
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Solution
The fourth proportional to 1,105,569.96, 1,525,668.68 and 622,134.84 is: 858,536.03
Step by Step Solution
- Step 1: Write the proportion equation
1,105,569.96 : 1,525,668.68 = 622,134.84 : x - Step 2: Convert to fraction form
1,105,569.96/1,525,668.68 = 622,134.84/x - Step 3: Cross multiply
1,105,569.96x = 1,525,668.68 × 622,134.84 - Step 4: Simplify right side
1,105,569.96x = 949,171,640,124.81 - Step 5: Solve for x
x = 949,171,640,124.81/1,105,569.96 - Step 6: Final answer
x = 858,536.03
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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.