Finding the Fourth Proportional to 1,081,998.38, 1,493,201.72 and 598,555.19
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Solution
The fourth proportional to 1,081,998.38, 1,493,201.72 and 598,555.19 is: 826,030.48
Step by Step Solution
- Step 1: Write the proportion equation
1,081,998.38 : 1,493,201.72 = 598,555.19 : x - Step 2: Convert to fraction form
1,081,998.38/1,493,201.72 = 598,555.19/x - Step 3: Cross multiply
1,081,998.38x = 1,493,201.72 × 598,555.19 - Step 4: Simplify right side
1,081,998.38x = 893,763,633,253.31 - Step 5: Solve for x
x = 893,763,633,253.31/1,081,998.38 - Step 6: Final answer
x = 826,030.48
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1.5x scale
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.