Finding the Fourth Proportional to 1,192,630.11, 1,645,872.80 and 683,430.99
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Solution
The fourth proportional to 1,192,630.11, 1,645,872.80 and 683,430.99 is: 943,159.55
Step by Step Solution
- Step 1: Write the proportion equation
1,192,630.11 : 1,645,872.80 = 683,430.99 : x - Step 2: Convert to fraction form
1,192,630.11/1,645,872.80 = 683,430.99/x - Step 3: Cross multiply
1,192,630.11x = 1,645,872.80 × 683,430.99 - Step 4: Simplify right side
1,192,630.11x = 1,124,840,473,700.92 - Step 5: Solve for x
x = 1,124,840,473,700.92/1,192,630.11 - Step 6: Final answer
x = 943,159.55
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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.