Finding the Fourth Proportional to 919,898.24, 1,269,446.65 and 512,000.19
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Solution
The fourth proportional to 919,898.24, 1,269,446.65 and 512,000.19 is: 706,553.07
Step by Step Solution
- Step 1: Write the proportion equation
919,898.24 : 1,269,446.65 = 512,000.19 : x - Step 2: Convert to fraction form
919,898.24/1,269,446.65 = 512,000.19/x - Step 3: Cross multiply
919,898.24x = 1,269,446.65 × 512,000.19 - Step 4: Simplify right side
919,898.24x = 649,956,924,714.86 - Step 5: Solve for x
x = 649,956,924,714.86/919,898.24 - Step 6: Final answer
x = 706,553.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.