Finding the Fourth Proportional to 1,395,599.63, 1,926,658.95 and 939,114.41
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Solution
The fourth proportional to 1,395,599.63, 1,926,658.95 and 939,114.41 is: 1,296,470.09
Step by Step Solution
- Step 1: Write the proportion equation
1,395,599.63 : 1,926,658.95 = 939,114.41 : x - Step 2: Convert to fraction form
1,395,599.63/1,926,658.95 = 939,114.41/x - Step 3: Cross multiply
1,395,599.63x = 1,926,658.95 × 939,114.41 - Step 4: Simplify right side
1,395,599.63x = 1,809,353,169,945.50 - Step 5: Solve for x
x = 1,809,353,169,945.50/1,395,599.63 - Step 6: Final answer
x = 1,296,470.09
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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.