Finding the Fourth Proportional to 1,033,109.28, 1,544,122.80 and 931,675.68
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Solution
The fourth proportional to 1,033,109.28, 1,544,122.80 and 931,675.68 is: 1,392,516.44
Step by Step Solution
- Step 1: Write the proportion equation
1,033,109.28 : 1,544,122.80 = 931,675.68 : x - Step 2: Convert to fraction form
1,033,109.28/1,544,122.80 = 931,675.68/x - Step 3: Cross multiply
1,033,109.28x = 1,544,122.80 × 931,675.68 - Step 4: Simplify right side
1,033,109.28x = 1,438,621,659,693.50 - Step 5: Solve for x
x = 1,438,621,659,693.50/1,033,109.28 - Step 6: Final answer
x = 1,392,516.44
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.