Finding the Fourth Proportional to 1,717,739.40, 2,576,900.70 and 519,652.20
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Solution
The fourth proportional to 1,717,739.40, 2,576,900.70 and 519,652.20 is: 779,566.52
Step by Step Solution
- Step 1: Write the proportion equation
1,717,739.40 : 2,576,900.70 = 519,652.20 : x - Step 2: Convert to fraction form
1,717,739.40/2,576,900.70 = 519,652.20/x - Step 3: Cross multiply
1,717,739.40x = 2,576,900.70 × 519,652.20 - Step 4: Simplify right side
1,717,739.40x = 1,339,092,117,936.54 - Step 5: Solve for x
x = 1,339,092,117,936.54/1,717,739.40 - Step 6: Final answer
x = 779,566.52
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1.5x scale
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.