Finding the Fourth Proportional to 757,567.13, 1,045,464.85 and 413,425.19
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Solution
The fourth proportional to 757,567.13, 1,045,464.85 and 413,425.19 is: 570,538.88
Step by Step Solution
- Step 1: Write the proportion equation
757,567.13 : 1,045,464.85 = 413,425.19 : x - Step 2: Convert to fraction form
757,567.13/1,045,464.85 = 413,425.19/x - Step 3: Cross multiply
757,567.13x = 1,045,464.85 × 413,425.19 - Step 4: Simplify right side
757,567.13x = 432,221,505,644.60 - Step 5: Solve for x
x = 432,221,505,644.60/757,567.13 - Step 6: Final answer
x = 570,538.88
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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.