Finding the Fourth Proportional to 1,532,585.20, 2,115,033.19 and 853,521.70
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Solution
The fourth proportional to 1,532,585.20, 2,115,033.19 and 853,521.70 is: 1,177,896.49
Step by Step Solution
- Step 1: Write the proportion equation
1,532,585.20 : 2,115,033.19 = 853,521.70 : x - Step 2: Convert to fraction form
1,532,585.20/2,115,033.19 = 853,521.70/x - Step 3: Cross multiply
1,532,585.20x = 2,115,033.19 × 853,521.70 - Step 4: Simplify right side
1,532,585.20x = 1,805,226,723,885.22 - Step 5: Solve for x
x = 1,805,226,723,885.22/1,532,585.20 - Step 6: Final answer
x = 1,177,896.49
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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.