Finding the Fourth Proportional to 1,128,664.15, 1,693,247.12 and 529,305.86
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Solution
The fourth proportional to 1,128,664.15, 1,693,247.12 and 529,305.86 is: 794,076.45
Step by Step Solution
- Step 1: Write the proportion equation
1,128,664.15 : 1,693,247.12 = 529,305.86 : x - Step 2: Convert to fraction form
1,128,664.15/1,693,247.12 = 529,305.86/x - Step 3: Cross multiply
1,128,664.15x = 1,693,247.12 × 529,305.86 - Step 4: Simplify right side
1,128,664.15x = 896,245,620,397.59 - Step 5: Solve for x
x = 896,245,620,397.59/1,128,664.15 - Step 6: Final answer
x = 794,076.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.