Finding the Fourth Proportional to 1,680,520.14, 2,319,106.86 and 955,368.05
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Solution
The fourth proportional to 1,680,520.14, 2,319,106.86 and 955,368.05 is: 1,318,401.69
Step by Step Solution
- Step 1: Write the proportion equation
1,680,520.14 : 2,319,106.86 = 955,368.05 : x - Step 2: Convert to fraction form
1,680,520.14/2,319,106.86 = 955,368.05/x - Step 3: Cross multiply
1,680,520.14x = 2,319,106.86 × 955,368.05 - Step 4: Simplify right side
1,680,520.14x = 2,215,600,586,984.29 - Step 5: Solve for x
x = 2,215,600,586,984.29/1,680,520.14 - Step 6: Final answer
x = 1,318,401.69
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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.