Finding the Fourth Proportional to 1,393,717.99, 1,924,155.30 and 877,914.04
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Solution
The fourth proportional to 1,393,717.99, 1,924,155.30 and 877,914.04 is: 1,212,040.72
Step by Step Solution
- Step 1: Write the proportion equation
1,393,717.99 : 1,924,155.30 = 877,914.04 : x - Step 2: Convert to fraction form
1,393,717.99/1,924,155.30 = 877,914.04/x - Step 3: Cross multiply
1,393,717.99x = 1,924,155.30 × 877,914.04 - Step 4: Simplify right side
1,393,717.99x = 1,689,242,949,688.31 - Step 5: Solve for x
x = 1,689,242,949,688.31/1,393,717.99 - Step 6: Final answer
x = 1,212,040.72
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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.