Finding the Fourth Proportional to 1,526,636.49, 2,106,676.11 and 847,529.25
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Solution
The fourth proportional to 1,526,636.49, 2,106,676.11 and 847,529.25 is: 1,169,544.71
Step by Step Solution
- Step 1: Write the proportion equation
1,526,636.49 : 2,106,676.11 = 847,529.25 : x - Step 2: Convert to fraction form
1,526,636.49/2,106,676.11 = 847,529.25/x - Step 3: Cross multiply
1,526,636.49x = 2,106,676.11 × 847,529.25 - Step 4: Simplify right side
1,526,636.49x = 1,785,469,623,501.22 - Step 5: Solve for x
x = 1,785,469,623,501.22/1,526,636.49 - Step 6: Final answer
x = 1,169,544.71
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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.