Finding the Fourth Proportional to 1,017,033.12, 1,403,514 and 564,331.68
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Solution
The fourth proportional to 1,017,033.12, 1,403,514 and 564,331.68 is: 778,782.32
Step by Step Solution
- Step 1: Write the proportion equation
1,017,033.12 : 1,403,514 = 564,331.68 : x - Step 2: Convert to fraction form
1,017,033.12/1,403,514 = 564,331.68/x - Step 3: Cross multiply
1,017,033.12x = 1,403,514 × 564,331.68 - Step 4: Simplify right side
1,017,033.12x = 792,047,413,523.52 - Step 5: Solve for x
x = 792,047,413,523.52/1,017,033.12 - Step 6: Final answer
x = 778,782.32
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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.