Finding the Fourth Proportional to 1,511,616.68, 2,085,935.34 and 832,553.18
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Solution
The fourth proportional to 1,511,616.68, 2,085,935.34 and 832,553.18 is: 1,148,870.69
Step by Step Solution
- Step 1: Write the proportion equation
1,511,616.68 : 2,085,935.34 = 832,553.18 : x - Step 2: Convert to fraction form
1,511,616.68/2,085,935.34 = 832,553.18/x - Step 3: Cross multiply
1,511,616.68x = 2,085,935.34 × 832,553.18 - Step 4: Simplify right side
1,511,616.68x = 1,736,652,100,591.38 - Step 5: Solve for x
x = 1,736,652,100,591.38/1,511,616.68 - Step 6: Final answer
x = 1,148,870.69
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1.5x scale
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.