Finding the Fourth Proportional to 669,837.63, 924,147.32 and 415,095.87
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Solution
The fourth proportional to 669,837.63, 924,147.32 and 415,095.87 is: 572,690.63
Step by Step Solution
- Step 1: Write the proportion equation
669,837.63 : 924,147.32 = 415,095.87 : x - Step 2: Convert to fraction form
669,837.63/924,147.32 = 415,095.87/x - Step 3: Cross multiply
669,837.63x = 924,147.32 × 415,095.87 - Step 4: Simplify right side
669,837.63x = 383,609,733,728.09 - Step 5: Solve for x
x = 383,609,733,728.09/669,837.63 - Step 6: Final answer
x = 572,690.63
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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.