Finding the Fourth Proportional to 1,768,136.10, 2,652,204.15 and 438,440.10
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Solution
The fourth proportional to 1,768,136.10, 2,652,204.15 and 438,440.10 is: 657,660.15
Step by Step Solution
- Step 1: Write the proportion equation
1,768,136.10 : 2,652,204.15 = 438,440.10 : x - Step 2: Convert to fraction form
1,768,136.10/2,652,204.15 = 438,440.10/x - Step 3: Cross multiply
1,768,136.10x = 2,652,204.15 × 438,440.10 - Step 4: Simplify right side
1,768,136.10x = 1,162,832,652,746.41 - Step 5: Solve for x
x = 1,162,832,652,746.41/1,768,136.10 - Step 6: Final answer
x = 657,660.15
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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.