Finding the Fourth Proportional to 875,713.98, 1,208,484.75 and 473,305.98
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Solution
The fourth proportional to 875,713.98, 1,208,484.75 and 473,305.98 is: 653,161.96
Step by Step Solution
- Step 1: Write the proportion equation
875,713.98 : 1,208,484.75 = 473,305.98 : x - Step 2: Convert to fraction form
875,713.98/1,208,484.75 = 473,305.98/x - Step 3: Cross multiply
875,713.98x = 1,208,484.75 × 473,305.98 - Step 4: Simplify right side
875,713.98x = 571,983,058,913.81 - Step 5: Solve for x
x = 571,983,058,913.81/875,713.98 - Step 6: Final answer
x = 653,161.96
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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.