Finding the Fourth Proportional to 1,767,509.57, 2,439,371.30 and 993,142.08
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Solution
The fourth proportional to 1,767,509.57, 2,439,371.30 and 993,142.08 is: 1,370,652.99
Step by Step Solution
- Step 1: Write the proportion equation
1,767,509.57 : 2,439,371.30 = 993,142.08 : x - Step 2: Convert to fraction form
1,767,509.57/2,439,371.30 = 993,142.08/x - Step 3: Cross multiply
1,767,509.57x = 2,439,371.30 × 993,142.08 - Step 4: Simplify right side
1,767,509.57x = 2,422,642,281,808.59 - Step 5: Solve for x
x = 2,422,642,281,808.59/1,767,509.57 - Step 6: Final answer
x = 1,370,652.99
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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.