Finding the Fourth Proportional to 1,129,072.17, 1,558,115.67 and 612,826.08
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Solution
The fourth proportional to 1,129,072.17, 1,558,115.67 and 612,826.08 is: 845,697.86
Step by Step Solution
- Step 1: Write the proportion equation
1,129,072.17 : 1,558,115.67 = 612,826.08 : x - Step 2: Convert to fraction form
1,129,072.17/1,558,115.67 = 612,826.08/x - Step 3: Cross multiply
1,129,072.17x = 1,558,115.67 × 612,826.08 - Step 4: Simplify right side
1,129,072.17x = 954,853,918,232.67 - Step 5: Solve for x
x = 954,853,918,232.67/1,129,072.17 - Step 6: Final answer
x = 845,697.86
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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.