Finding the Fourth Proportional to 1,110,798.68, 1,532,917.05 and 620,746.66
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Solution
The fourth proportional to 1,110,798.68, 1,532,917.05 and 620,746.66 is: 856,638.69
Step by Step Solution
- Step 1: Write the proportion equation
1,110,798.68 : 1,532,917.05 = 620,746.66 : x - Step 2: Convert to fraction form
1,110,798.68/1,532,917.05 = 620,746.66/x - Step 3: Cross multiply
1,110,798.68x = 1,532,917.05 × 620,746.66 - Step 4: Simplify right side
1,110,798.68x = 951,553,131,179.97 - Step 5: Solve for x
x = 951,553,131,179.97/1,110,798.68 - Step 6: Final answer
x = 856,638.69
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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.