Finding the Fourth Proportional to 665,094.08, 911,182.27 and 640,186.42
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Solution
The fourth proportional to 665,094.08, 911,182.27 and 640,186.42 is: 877,058.65
Step by Step Solution
- Step 1: Write the proportion equation
665,094.08 : 911,182.27 = 640,186.42 : x - Step 2: Convert to fraction form
665,094.08/911,182.27 = 640,186.42/x - Step 3: Cross multiply
665,094.08x = 911,182.27 × 640,186.42 - Step 4: Simplify right side
665,094.08x = 583,326,515,398.77 - Step 5: Solve for x
x = 583,326,515,398.77/665,094.08 - Step 6: Final answer
x = 877,058.65
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.