Finding the Fourth Proportional to 1,203,646.92, 1,660,971.06 and 694,318.92
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Solution
The fourth proportional to 1,203,646.92, 1,660,971.06 and 694,318.92 is: 958,124.52
Step by Step Solution
- Step 1: Write the proportion equation
1,203,646.92 : 1,660,971.06 = 694,318.92 : x - Step 2: Convert to fraction form
1,203,646.92/1,660,971.06 = 694,318.92/x - Step 3: Cross multiply
1,203,646.92x = 1,660,971.06 × 694,318.92 - Step 4: Simplify right side
1,203,646.92x = 1,153,243,632,530.46 - Step 5: Solve for x
x = 1,153,243,632,530.46/1,203,646.92 - Step 6: Final answer
x = 958,124.52
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1.5x scale
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.