Finding the Fourth Proportional to 1,393,719.04, 1,924,156.74 and 877,915.09
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Solution
The fourth proportional to 1,393,719.04, 1,924,156.74 and 877,915.09 is: 1,212,042.16
Step by Step Solution
- Step 1: Write the proportion equation
1,393,719.04 : 1,924,156.74 = 877,915.09 : x - Step 2: Convert to fraction form
1,393,719.04/1,924,156.74 = 877,915.09/x - Step 3: Cross multiply
1,393,719.04x = 1,924,156.74 × 877,915.09 - Step 4: Simplify right side
1,393,719.04x = 1,689,246,237,571.21 - Step 5: Solve for x
x = 1,689,246,237,571.21/1,393,719.04 - Step 6: Final answer
x = 1,212,042.16
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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.