Finding the Fourth Proportional to 1,243,954.18, 1,717,186.44 and 836,292.46
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Solution
The fourth proportional to 1,243,954.18, 1,717,186.44 and 836,292.46 is: 1,154,439.69
Step by Step Solution
- Step 1: Write the proportion equation
1,243,954.18 : 1,717,186.44 = 836,292.46 : x - Step 2: Convert to fraction form
1,243,954.18/1,717,186.44 = 836,292.46/x - Step 3: Cross multiply
1,243,954.18x = 1,717,186.44 × 836,292.46 - Step 4: Simplify right side
1,243,954.18x = 1,436,070,072,186.24 - Step 5: Solve for x
x = 1,436,070,072,186.24/1,243,954.18 - Step 6: Final answer
x = 1,154,439.69
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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.