Finding the Fourth Proportional to 1,393,718.04, 1,924,155.36 and 877,914.09
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Solution
The fourth proportional to 1,393,718.04, 1,924,155.36 and 877,914.09 is: 1,212,040.78
Step by Step Solution
- Step 1: Write the proportion equation
1,393,718.04 : 1,924,155.36 = 877,914.09 : x - Step 2: Convert to fraction form
1,393,718.04/1,924,155.36 = 877,914.09/x - Step 3: Cross multiply
1,393,718.04x = 1,924,155.36 × 877,914.09 - Step 4: Simplify right side
1,393,718.04x = 1,689,243,101,893.02 - Step 5: Solve for x
x = 1,689,243,101,893.02/1,393,718.04 - Step 6: Final answer
x = 1,212,040.78
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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.