Finding the Fourth Proportional to 1,185,944.58, 1,636,616.34 and 642,091.68
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Solution
The fourth proportional to 1,185,944.58, 1,636,616.34 and 642,091.68 is: 886,093.46
Step by Step Solution
- Step 1: Write the proportion equation
1,185,944.58 : 1,636,616.34 = 642,091.68 : x - Step 2: Convert to fraction form
1,185,944.58/1,636,616.34 = 642,091.68/x - Step 3: Cross multiply
1,185,944.58x = 1,636,616.34 × 642,091.68 - Step 4: Simplify right side
1,185,944.58x = 1,050,857,735,266.05 - Step 5: Solve for x
x = 1,050,857,735,266.05/1,185,944.58 - Step 6: Final answer
x = 886,093.46
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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.