Finding the Fourth Proportional to 1,725,717.12, 2,588,575.68 and 527,639.46
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Solution
The fourth proportional to 1,725,717.12, 2,588,575.68 and 527,639.46 is: 791,459.19
Step by Step Solution
- Step 1: Write the proportion equation
1,725,717.12 : 2,588,575.68 = 527,639.46 : x - Step 2: Convert to fraction form
1,725,717.12/2,588,575.68 = 527,639.46/x - Step 3: Cross multiply
1,725,717.12x = 2,588,575.68 × 527,639.46 - Step 4: Simplify right side
1,725,717.12x = 1,365,834,673,964.33 - Step 5: Solve for x
x = 1,365,834,673,964.33/1,725,717.12 - Step 6: Final answer
x = 791,459.19
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Double scale
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Similar ratio
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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.