Finding the Fourth Proportional to 845,844.24, 1,167,280.08 and 463,867.68
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Solution
The fourth proportional to 845,844.24, 1,167,280.08 and 463,867.68 is: 640,145.64
Step by Step Solution
- Step 1: Write the proportion equation
845,844.24 : 1,167,280.08 = 463,867.68 : x - Step 2: Convert to fraction form
845,844.24/1,167,280.08 = 463,867.68/x - Step 3: Cross multiply
845,844.24x = 1,167,280.08 × 463,867.68 - Step 4: Simplify right side
845,844.24x = 541,463,502,619.81 - Step 5: Solve for x
x = 541,463,502,619.81/845,844.24 - Step 6: Final answer
x = 640,145.64
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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.