Finding the Fourth Proportional to 1,663,236.84, 2,295,262.14 and 928,183.30
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Solution
The fourth proportional to 1,663,236.84, 2,295,262.14 and 928,183.30 is: 1,280,890.33
Step by Step Solution
- Step 1: Write the proportion equation
1,663,236.84 : 2,295,262.14 = 928,183.30 : x - Step 2: Convert to fraction form
1,663,236.84/2,295,262.14 = 928,183.30/x - Step 3: Cross multiply
1,663,236.84x = 2,295,262.14 × 928,183.30 - Step 4: Simplify right side
1,663,236.84x = 2,130,423,987,470.26 - Step 5: Solve for x
x = 2,130,423,987,470.26/1,663,236.84 - Step 6: Final answer
x = 1,280,890.33
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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.