Finding the Fourth Proportional to 1,577,999.26, 2,177,529.64 and 889,695.69
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Solution
The fourth proportional to 1,577,999.26, 2,177,529.64 and 889,695.69 is: 1,227,718.41
Step by Step Solution
- Step 1: Write the proportion equation
1,577,999.26 : 2,177,529.64 = 889,695.69 : x - Step 2: Convert to fraction form
1,577,999.26/2,177,529.64 = 889,695.69/x - Step 3: Cross multiply
1,577,999.26x = 2,177,529.64 × 889,695.69 - Step 4: Simplify right side
1,577,999.26x = 1,937,338,735,555.25 - Step 5: Solve for x
x = 1,937,338,735,555.25/1,577,999.26 - Step 6: Final answer
x = 1,227,718.41
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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.