Finding the Fourth Proportional to 1,197,483.12, 1,652,485.59 and 713,798.91
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Solution
The fourth proportional to 1,197,483.12, 1,652,485.59 and 713,798.91 is: 985,017.99
Step by Step Solution
- Step 1: Write the proportion equation
1,197,483.12 : 1,652,485.59 = 713,798.91 : x - Step 2: Convert to fraction form
1,197,483.12/1,652,485.59 = 713,798.91/x - Step 3: Cross multiply
1,197,483.12x = 1,652,485.59 × 713,798.91 - Step 4: Simplify right side
1,197,483.12x = 1,179,542,412,932.71 - Step 5: Solve for x
x = 1,179,542,412,932.71/1,197,483.12 - Step 6: Final answer
x = 985,017.99
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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.