Finding the Fourth Proportional to 657,560.24, 908,059.84 and 621,736.63
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Solution
The fourth proportional to 657,560.24, 908,059.84 and 621,736.63 is: 858,589.12
Step by Step Solution
- Step 1: Write the proportion equation
657,560.24 : 908,059.84 = 621,736.63 : x - Step 2: Convert to fraction form
657,560.24/908,059.84 = 621,736.63/x - Step 3: Cross multiply
657,560.24x = 908,059.84 × 621,736.63 - Step 4: Simplify right side
657,560.24x = 564,574,061,651.26 - Step 5: Solve for x
x = 564,574,061,651.26/657,560.24 - Step 6: Final answer
x = 858,589.12
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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.