Finding the Fourth Proportional to 669,771.50, 923,750.12 and 440,564.18
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Solution
The fourth proportional to 669,771.50, 923,750.12 and 440,564.18 is: 607,626.95
Step by Step Solution
- Step 1: Write the proportion equation
669,771.50 : 923,750.12 = 440,564.18 : x - Step 2: Convert to fraction form
669,771.50/923,750.12 = 440,564.18/x - Step 3: Cross multiply
669,771.50x = 923,750.12 × 440,564.18 - Step 4: Simplify right side
669,771.50x = 406,971,210,625.36 - Step 5: Solve for x
x = 406,971,210,625.36/669,771.50 - Step 6: Final answer
x = 607,626.95
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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.