Finding the Fourth Proportional to 1,577,456.64, 2,176,906.24 and 862,064.64
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Solution
The fourth proportional to 1,577,456.64, 2,176,906.24 and 862,064.64 is: 1,189,657.99
Step by Step Solution
- Step 1: Write the proportion equation
1,577,456.64 : 2,176,906.24 = 862,064.64 : x - Step 2: Convert to fraction form
1,577,456.64/2,176,906.24 = 862,064.64/x - Step 3: Cross multiply
1,577,456.64x = 2,176,906.24 × 862,064.64 - Step 4: Simplify right side
1,577,456.64x = 1,876,633,894,099.35 - Step 5: Solve for x
x = 1,876,633,894,099.35/1,577,456.64 - Step 6: Final answer
x = 1,189,657.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.