Finding the Fourth Proportional to 1,115,098.41, 1,538,958.99 and 625,115.04
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Solution
The fourth proportional to 1,115,098.41, 1,538,958.99 and 625,115.04 is: 862,727.81
Step by Step Solution
- Step 1: Write the proportion equation
1,115,098.41 : 1,538,958.99 = 625,115.04 : x - Step 2: Convert to fraction form
1,115,098.41/1,538,958.99 = 625,115.04/x - Step 3: Cross multiply
1,115,098.41x = 1,538,958.99 × 625,115.04 - Step 4: Simplify right side
1,115,098.41x = 962,026,410,592.21 - Step 5: Solve for x
x = 962,026,410,592.21/1,115,098.41 - Step 6: Final answer
x = 862,727.81
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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.