Finding the Fourth Proportional to 843,239.64, 1,262,811.78 and 463,580.76
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Solution
The fourth proportional to 843,239.64, 1,262,811.78 and 463,580.76 is: 694,245.40
Step by Step Solution
- Step 1: Write the proportion equation
843,239.64 : 1,262,811.78 = 463,580.76 : x - Step 2: Convert to fraction form
843,239.64/1,262,811.78 = 463,580.76/x - Step 3: Cross multiply
843,239.64x = 1,262,811.78 × 463,580.76 - Step 4: Simplify right side
843,239.64x = 585,415,244,709.35 - Step 5: Solve for x
x = 585,415,244,709.35/843,239.64 - Step 6: Final answer
x = 694,245.40
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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.