Finding the Fourth Proportional to 704,133.23, 971,704.08 and 381,843.23
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Solution
The fourth proportional to 704,133.23, 971,704.08 and 381,843.23 is: 526,943.78
Step by Step Solution
- Step 1: Write the proportion equation
704,133.23 : 971,704.08 = 381,843.23 : x - Step 2: Convert to fraction form
704,133.23/971,704.08 = 381,843.23/x - Step 3: Cross multiply
704,133.23x = 971,704.08 × 381,843.23 - Step 4: Simplify right side
704,133.23x = 371,038,624,511.38 - Step 5: Solve for x
x = 371,038,624,511.38/704,133.23 - Step 6: Final answer
x = 526,943.78
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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.