Finding the Fourth Proportional to 971,801.64, 1,457,715.42 and 340,733.88
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Solution
The fourth proportional to 971,801.64, 1,457,715.42 and 340,733.88 is: 511,105.36
Step by Step Solution
- Step 1: Write the proportion equation
971,801.64 : 1,457,715.42 = 340,733.88 : x - Step 2: Convert to fraction form
971,801.64/1,457,715.42 = 340,733.88/x - Step 3: Cross multiply
971,801.64x = 1,457,715.42 × 340,733.88 - Step 4: Simplify right side
971,801.64x = 496,693,030,992.43 - Step 5: Solve for x
x = 496,693,030,992.43/971,801.64 - Step 6: Final answer
x = 511,105.36
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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.