Finding the Fourth Proportional to 587,740.40, 883,489.80 and 546,138.80
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Solution
The fourth proportional to 587,740.40, 883,489.80 and 546,138.80 is: 820,954.39
Step by Step Solution
- Step 1: Write the proportion equation
587,740.40 : 883,489.80 = 546,138.80 : x - Step 2: Convert to fraction form
587,740.40/883,489.80 = 546,138.80/x - Step 3: Cross multiply
587,740.40x = 883,489.80 × 546,138.80 - Step 4: Simplify right side
587,740.40x = 482,508,059,184.24 - Step 5: Solve for x
x = 482,508,059,184.24/587,740.40 - Step 6: Final answer
x = 820,954.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.