Finding the Fourth Proportional to 741,699.41, 1,023,676.28 and 435,775.70
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Solution
The fourth proportional to 741,699.41, 1,023,676.28 and 435,775.70 is: 601,447.48
Step by Step Solution
- Step 1: Write the proportion equation
741,699.41 : 1,023,676.28 = 435,775.70 : x - Step 2: Convert to fraction form
741,699.41/1,023,676.28 = 435,775.70/x - Step 3: Cross multiply
741,699.41x = 1,023,676.28 × 435,775.70 - Step 4: Simplify right side
741,699.41x = 446,093,240,193.14 - Step 5: Solve for x
x = 446,093,240,193.14/741,699.41 - Step 6: Final answer
x = 601,447.48
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1.5x scale
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.