Finding the Fourth Proportional to 746,683.80, 1,120,025.70 and 536,731.80
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Solution
The fourth proportional to 746,683.80, 1,120,025.70 and 536,731.80 is: 805,097.70
Step by Step Solution
- Step 1: Write the proportion equation
746,683.80 : 1,120,025.70 = 536,731.80 : x - Step 2: Convert to fraction form
746,683.80/1,120,025.70 = 536,731.80/x - Step 3: Cross multiply
746,683.80x = 1,120,025.70 × 536,731.80 - Step 4: Simplify right side
746,683.80x = 601,153,410,007.26 - Step 5: Solve for x
x = 601,153,410,007.26/746,683.80 - Step 6: Final answer
x = 805,097.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.