Finding the Fourth Proportional to 1,532,659.14, 2,115,135.21 and 853,595.64
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Solution
The fourth proportional to 1,532,659.14, 2,115,135.21 and 853,595.64 is: 1,177,998.52
Step by Step Solution
- Step 1: Write the proportion equation
1,532,659.14 : 2,115,135.21 = 853,595.64 : x - Step 2: Convert to fraction form
1,532,659.14/2,115,135.21 = 853,595.64/x - Step 3: Cross multiply
1,532,659.14x = 2,115,135.21 × 853,595.64 - Step 4: Simplify right side
1,532,659.14x = 1,805,470,193,266.48 - Step 5: Solve for x
x = 1,805,470,193,266.48/1,532,659.14 - Step 6: Final answer
x = 1,177,998.52
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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.