Finding the Fourth Proportional to 755,747.63, 1,043,045.12 and 574,160.75
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Solution
The fourth proportional to 755,747.63, 1,043,045.12 and 574,160.75 is: 792,427.98
Step by Step Solution
- Step 1: Write the proportion equation
755,747.63 : 1,043,045.12 = 574,160.75 : x - Step 2: Convert to fraction form
755,747.63/1,043,045.12 = 574,160.75/x - Step 3: Cross multiply
755,747.63x = 1,043,045.12 × 574,160.75 - Step 4: Simplify right side
755,747.63x = 598,875,565,512.24 - Step 5: Solve for x
x = 598,875,565,512.24/755,747.63 - Step 6: Final answer
x = 792,427.98
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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.