Finding the Fourth Proportional to 901,411.20, 1,352,116.80 and 600,917.40
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Solution
The fourth proportional to 901,411.20, 1,352,116.80 and 600,917.40 is: 901,376.10
Step by Step Solution
- Step 1: Write the proportion equation
901,411.20 : 1,352,116.80 = 600,917.40 : x - Step 2: Convert to fraction form
901,411.20/1,352,116.80 = 600,917.40/x - Step 3: Cross multiply
901,411.20x = 1,352,116.80 × 600,917.40 - Step 4: Simplify right side
901,411.20x = 812,510,511,952.32 - Step 5: Solve for x
x = 812,510,511,952.32/901,411.20 - Step 6: Final answer
x = 901,376.10
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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.