Finding the Fourth Proportional to 1,211,688.08, 1,672,163.16 and 695,486.24
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Solution
The fourth proportional to 1,211,688.08, 1,672,163.16 and 695,486.24 is: 959,790.30
Step by Step Solution
- Step 1: Write the proportion equation
1,211,688.08 : 1,672,163.16 = 695,486.24 : x - Step 2: Convert to fraction form
1,211,688.08/1,672,163.16 = 695,486.24/x - Step 3: Cross multiply
1,211,688.08x = 1,672,163.16 × 695,486.24 - Step 4: Simplify right side
1,211,688.08x = 1,162,966,468,814.92 - Step 5: Solve for x
x = 1,162,966,468,814.92/1,211,688.08 - Step 6: Final answer
x = 959,790.30
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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.