Finding the Fourth Proportional to 1,203,137.81, 1,804,818.05 and 393,526.81
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Solution
The fourth proportional to 1,203,137.81, 1,804,818.05 and 393,526.81 is: 590,326.63
Step by Step Solution
- Step 1: Write the proportion equation
1,203,137.81 : 1,804,818.05 = 393,526.81 : x - Step 2: Convert to fraction form
1,203,137.81/1,804,818.05 = 393,526.81/x - Step 3: Cross multiply
1,203,137.81x = 1,804,818.05 × 393,526.81 - Step 4: Simplify right side
1,203,137.81x = 710,244,289,846.92 - Step 5: Solve for x
x = 710,244,289,846.92/1,203,137.81 - Step 6: Final answer
x = 590,326.63
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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.