Finding the Fourth Proportional to 1,291,205.88, 1,937,029.41 and 532,632.66
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Solution
The fourth proportional to 1,291,205.88, 1,937,029.41 and 532,632.66 is: 799,039.99
Step by Step Solution
- Step 1: Write the proportion equation
1,291,205.88 : 1,937,029.41 = 532,632.66 : x - Step 2: Convert to fraction form
1,291,205.88/1,937,029.41 = 532,632.66/x - Step 3: Cross multiply
1,291,205.88x = 1,937,029.41 × 532,632.66 - Step 4: Simplify right side
1,291,205.88x = 1,031,725,127,146.53 - Step 5: Solve for x
x = 1,031,725,127,146.53/1,291,205.88 - Step 6: Final answer
x = 799,039.99
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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.