Finding the Fourth Proportional to 996,472.20, 1,494,416.70 and 356,701.80
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Solution
The fourth proportional to 996,472.20, 1,494,416.70 and 356,701.80 is: 534,948.32
Step by Step Solution
- Step 1: Write the proportion equation
996,472.20 : 1,494,416.70 = 356,701.80 : x - Step 2: Convert to fraction form
996,472.20/1,494,416.70 = 356,701.80/x - Step 3: Cross multiply
996,472.20x = 1,494,416.70 × 356,701.80 - Step 4: Simplify right side
996,472.20x = 533,061,126,840.06 - Step 5: Solve for x
x = 533,061,126,840.06/996,472.20 - Step 6: Final answer
x = 534,948.32
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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.