Finding the Fourth Proportional to 661,058.17, 991,587.58 and 436,366.09
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Solution
The fourth proportional to 661,058.17, 991,587.58 and 436,366.09 is: 654,549.35
Step by Step Solution
- Step 1: Write the proportion equation
661,058.17 : 991,587.58 = 436,366.09 : x - Step 2: Convert to fraction form
661,058.17/991,587.58 = 436,366.09/x - Step 3: Cross multiply
661,058.17x = 991,587.58 × 436,366.09 - Step 4: Simplify right side
661,058.17x = 432,695,195,177.16 - Step 5: Solve for x
x = 432,695,195,177.16/661,058.17 - Step 6: Final answer
x = 654,549.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.