Finding the Fourth Proportional to 1,217,168.68, 1,679,528.27 and 693,946.79
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Solution
The fourth proportional to 1,217,168.68, 1,679,528.27 and 693,946.79 is: 957,552.78
Step by Step Solution
- Step 1: Write the proportion equation
1,217,168.68 : 1,679,528.27 = 693,946.79 : x - Step 2: Convert to fraction form
1,217,168.68/1,679,528.27 = 693,946.79/x - Step 3: Cross multiply
1,217,168.68x = 1,679,528.27 × 693,946.79 - Step 4: Simplify right side
1,217,168.68x = 1,165,503,253,710.99 - Step 5: Solve for x
x = 1,165,503,253,710.99/1,217,168.68 - Step 6: Final answer
x = 957,552.78
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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.