Finding the Fourth Proportional to 2,953,659.68, 4,430,425.92 and 823,687.04
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Solution
The fourth proportional to 2,953,659.68, 4,430,425.92 and 823,687.04 is: 1,235,512.82
Step by Step Solution
- Step 1: Write the proportion equation
2,953,659.68 : 4,430,425.92 = 823,687.04 : x - Step 2: Convert to fraction form
2,953,659.68/4,430,425.92 = 823,687.04/x - Step 3: Cross multiply
2,953,659.68x = 4,430,425.92 × 823,687.04 - Step 4: Simplify right side
2,953,659.68x = 3,649,284,411,984.08 - Step 5: Solve for x
x = 3,649,284,411,984.08/2,953,659.68 - Step 6: Final answer
x = 1,235,512.82
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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.