Finding the Fourth Proportional to 669,745.37, 923,714.07 and 440,538.05
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Solution
The fourth proportional to 669,745.37, 923,714.07 and 440,538.05 is: 607,590.90
Step by Step Solution
- Step 1: Write the proportion equation
669,745.37 : 923,714.07 = 440,538.05 : x - Step 2: Convert to fraction form
669,745.37/923,714.07 = 440,538.05/x - Step 3: Cross multiply
669,745.37x = 923,714.07 × 440,538.05 - Step 4: Simplify right side
669,745.37x = 406,931,195,155.36 - Step 5: Solve for x
x = 406,931,195,155.36/669,745.37 - Step 6: Final answer
x = 607,590.90
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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.