Finding the Fourth Proportional to 1,112,207.76, 1,668,442.86 and 833,496.48
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Solution
The fourth proportional to 1,112,207.76, 1,668,442.86 and 833,496.48 is: 1,250,343.06
Step by Step Solution
- Step 1: Write the proportion equation
1,112,207.76 : 1,668,442.86 = 833,496.48 : x - Step 2: Convert to fraction form
1,112,207.76/1,668,442.86 = 833,496.48/x - Step 3: Cross multiply
1,112,207.76x = 1,668,442.86 × 833,496.48 - Step 4: Simplify right side
1,112,207.76x = 1,390,641,250,891.13 - Step 5: Solve for x
x = 1,390,641,250,891.13/1,112,207.76 - Step 6: Final answer
x = 1,250,343.06
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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.