Finding the Fourth Proportional to 1,073,065.12, 1,480,829.45 and 589,661.44
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Solution
The fourth proportional to 1,073,065.12, 1,480,829.45 and 589,661.44 is: 813,732.55
Step by Step Solution
- Step 1: Write the proportion equation
1,073,065.12 : 1,480,829.45 = 589,661.44 : x - Step 2: Convert to fraction form
1,073,065.12/1,480,829.45 = 589,661.44/x - Step 3: Cross multiply
1,073,065.12x = 1,480,829.45 × 589,661.44 - Step 4: Simplify right side
1,073,065.12x = 873,188,019,231.03 - Step 5: Solve for x
x = 873,188,019,231.03/1,073,065.12 - Step 6: Final answer
x = 813,732.55
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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.