Finding the Fourth Proportional to 1,186,168.37, 1,636,920.18 and 642,304.14
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Solution
The fourth proportional to 1,186,168.37, 1,636,920.18 and 642,304.14 is: 886,383.95
Step by Step Solution
- Step 1: Write the proportion equation
1,186,168.37 : 1,636,920.18 = 642,304.14 : x - Step 2: Convert to fraction form
1,186,168.37/1,636,920.18 = 642,304.14/x - Step 3: Cross multiply
1,186,168.37x = 1,636,920.18 × 642,304.14 - Step 4: Simplify right side
1,186,168.37x = 1,051,400,605,252.02 - Step 5: Solve for x
x = 1,051,400,605,252.02/1,186,168.37 - Step 6: Final answer
x = 886,383.95
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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.