Finding the Fourth Proportional to 1,291,824.66, 1,937,846.36 and 393,273.84
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Solution
The fourth proportional to 1,291,824.66, 1,937,846.36 and 393,273.84 is: 589,944.06
Step by Step Solution
- Step 1: Write the proportion equation
1,291,824.66 : 1,937,846.36 = 393,273.84 : x - Step 2: Convert to fraction form
1,291,824.66/1,937,846.36 = 393,273.84/x - Step 3: Cross multiply
1,291,824.66x = 1,937,846.36 × 393,273.84 - Step 4: Simplify right side
1,291,824.66x = 762,104,279,327.22 - Step 5: Solve for x
x = 762,104,279,327.22/1,291,824.66 - Step 6: Final answer
x = 589,944.06
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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.