Finding the Fourth Proportional to 1,128,664.40, 1,693,247.49 and 529,306.11
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Solution
The fourth proportional to 1,128,664.40, 1,693,247.49 and 529,306.11 is: 794,076.83
Step by Step Solution
- Step 1: Write the proportion equation
1,128,664.40 : 1,693,247.49 = 529,306.11 : x - Step 2: Convert to fraction form
1,128,664.40/1,693,247.49 = 529,306.11/x - Step 3: Cross multiply
1,128,664.40x = 1,693,247.49 × 529,306.11 - Step 4: Simplify right side
1,128,664.40x = 896,246,242,199.16 - Step 5: Solve for x
x = 896,246,242,199.16/1,128,664.40 - Step 6: Final answer
x = 794,076.83
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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.