Finding the Fourth Proportional to 1,203,623.07, 1,660,031.33 and 1,058,117.75
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Solution
The fourth proportional to 1,203,623.07, 1,660,031.33 and 1,058,117.75 is: 1,459,351.06
Step by Step Solution
- Step 1: Write the proportion equation
1,203,623.07 : 1,660,031.33 = 1,058,117.75 : x - Step 2: Convert to fraction form
1,203,623.07/1,660,031.33 = 1,058,117.75/x - Step 3: Cross multiply
1,203,623.07x = 1,660,031.33 × 1,058,117.75 - Step 4: Simplify right side
1,203,623.07x = 1,756,508,602,238.36 - Step 5: Solve for x
x = 1,756,508,602,238.36/1,203,623.07 - Step 6: Final answer
x = 1,459,351.06
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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.