Finding the Fourth Proportional to 1,243,967.67, 1,717,205.09 and 836,305.92
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Solution
The fourth proportional to 1,243,967.67, 1,717,205.09 and 836,305.92 is: 1,154,458.28
Step by Step Solution
- Step 1: Write the proportion equation
1,243,967.67 : 1,717,205.09 = 836,305.92 : x - Step 2: Convert to fraction form
1,243,967.67/1,717,205.09 = 836,305.92/x - Step 3: Cross multiply
1,243,967.67x = 1,717,205.09 × 836,305.92 - Step 4: Simplify right side
1,243,967.67x = 1,436,108,778,439.60 - Step 5: Solve for x
x = 1,436,108,778,439.60/1,243,967.67 - Step 6: Final answer
x = 1,154,458.28
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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.