Finding the Fourth Proportional to 1,396,128.96, 2,094,893.28 and 554,921.28
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Solution
The fourth proportional to 1,396,128.96, 2,094,893.28 and 554,921.28 is: 832,660.09
Step by Step Solution
- Step 1: Write the proportion equation
1,396,128.96 : 2,094,893.28 = 554,921.28 : x - Step 2: Convert to fraction form
1,396,128.96/2,094,893.28 = 554,921.28/x - Step 3: Cross multiply
1,396,128.96x = 2,094,893.28 × 554,921.28 - Step 4: Simplify right side
1,396,128.96x = 1,162,500,860,401.00 - Step 5: Solve for x
x = 1,162,500,860,401.00/1,396,128.96 - Step 6: Final answer
x = 832,660.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.