Finding the Fourth Proportional to 1,199,415.92, 1,799,621.16 and 525,149.20
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Solution
The fourth proportional to 1,199,415.92, 1,799,621.16 and 525,149.20 is: 787,941.53
Step by Step Solution
- Step 1: Write the proportion equation
1,199,415.92 : 1,799,621.16 = 525,149.20 : x - Step 2: Convert to fraction form
1,199,415.92/1,799,621.16 = 525,149.20/x - Step 3: Cross multiply
1,199,415.92x = 1,799,621.16 × 525,149.20 - Step 4: Simplify right side
1,199,415.92x = 945,069,612,477.07 - Step 5: Solve for x
x = 945,069,612,477.07/1,199,415.92 - Step 6: Final answer
x = 787,941.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.