Finding the Fourth Proportional to 1,134,534.40, 1,565,657.49 and 625,236.77
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Solution
The fourth proportional to 1,134,534.40, 1,565,657.49 and 625,236.77 is: 862,826.76
Step by Step Solution
- Step 1: Write the proportion equation
1,134,534.40 : 1,565,657.49 = 625,236.77 : x - Step 2: Convert to fraction form
1,134,534.40/1,565,657.49 = 625,236.77/x - Step 3: Cross multiply
1,134,534.40x = 1,565,657.49 × 625,236.77 - Step 4: Simplify right side
1,134,534.40x = 978,906,635,888.05 - Step 5: Solve for x
x = 978,906,635,888.05/1,134,534.40 - Step 6: Final answer
x = 862,826.76
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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.