Finding the Fourth Proportional to 1,212,110, 1,818,427.50 and 464,156
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Solution
The fourth proportional to 1,212,110, 1,818,427.50 and 464,156 is: 696,334.52
Step by Step Solution
- Step 1: Write the proportion equation
1,212,110 : 1,818,427.50 = 464,156 : x - Step 2: Convert to fraction form
1,212,110/1,818,427.50 = 464,156/x - Step 3: Cross multiply
1,212,110x = 1,818,427.50 × 464,156 - Step 4: Simplify right side
1,212,110x = 844,034,034,690 - Step 5: Solve for x
x = 844,034,034,690/1,212,110 - Step 6: Final answer
x = 696,334.52
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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.