Finding the Fourth Proportional to 734,033.08, 1,013,079.18 and 411,873.40
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Solution
The fourth proportional to 734,033.08, 1,013,079.18 and 411,873.40 is: 568,448.99
Step by Step Solution
- Step 1: Write the proportion equation
734,033.08 : 1,013,079.18 = 411,873.40 : x - Step 2: Convert to fraction form
734,033.08/1,013,079.18 = 411,873.40/x - Step 3: Cross multiply
734,033.08x = 1,013,079.18 × 411,873.40 - Step 4: Simplify right side
734,033.08x = 417,260,366,335.81 - Step 5: Solve for x
x = 417,260,366,335.81/734,033.08 - Step 6: Final answer
x = 568,448.99
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1.5x scale
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.