Finding the Fourth Proportional to 1,491,593.44, 2,058,245.52 and 838,115.68
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Solution
The fourth proportional to 1,491,593.44, 2,058,245.52 and 838,115.68 is: 1,156,513.43
Step by Step Solution
- Step 1: Write the proportion equation
1,491,593.44 : 2,058,245.52 = 838,115.68 : x - Step 2: Convert to fraction form
1,491,593.44/2,058,245.52 = 838,115.68/x - Step 3: Cross multiply
1,491,593.44x = 2,058,245.52 × 838,115.68 - Step 4: Simplify right side
1,491,593.44x = 1,725,047,843,601.75 - Step 5: Solve for x
x = 1,725,047,843,601.75/1,491,593.44 - Step 6: Final answer
x = 1,156,513.43
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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.