Finding the Fourth Proportional to 1,214,919.84, 1,676,607.12 and 705,622.20
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Solution
The fourth proportional to 1,214,919.84, 1,676,607.12 and 705,622.20 is: 973,768.94
Step by Step Solution
- Step 1: Write the proportion equation
1,214,919.84 : 1,676,607.12 = 705,622.20 : x - Step 2: Convert to fraction form
1,214,919.84/1,676,607.12 = 705,622.20/x - Step 3: Cross multiply
1,214,919.84x = 1,676,607.12 × 705,622.20 - Step 4: Simplify right side
1,214,919.84x = 1,183,051,204,550.06 - Step 5: Solve for x
x = 1,183,051,204,550.06/1,214,919.84 - Step 6: Final answer
x = 973,768.94
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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.