Finding the Fourth Proportional to 759,610.92, 1,048,235.58 and 415,435.08
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Solution
The fourth proportional to 759,610.92, 1,048,235.58 and 415,435.08 is: 573,285.38
Step by Step Solution
- Step 1: Write the proportion equation
759,610.92 : 1,048,235.58 = 415,435.08 : x - Step 2: Convert to fraction form
759,610.92/1,048,235.58 = 415,435.08/x - Step 3: Cross multiply
759,610.92x = 1,048,235.58 × 415,435.08 - Step 4: Simplify right side
759,610.92x = 435,473,832,036.15 - Step 5: Solve for x
x = 435,473,832,036.15/759,610.92 - Step 6: Final answer
x = 573,285.38
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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.