Finding the Fourth Proportional to 1,700,598.16, 2,551,044.12 and 438,415.12
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Solution
The fourth proportional to 1,700,598.16, 2,551,044.12 and 438,415.12 is: 657,660.55
Step by Step Solution
- Step 1: Write the proportion equation
1,700,598.16 : 2,551,044.12 = 438,415.12 : x - Step 2: Convert to fraction form
1,700,598.16/2,551,044.12 = 438,415.12/x - Step 3: Cross multiply
1,700,598.16x = 2,551,044.12 × 438,415.12 - Step 4: Simplify right side
1,700,598.16x = 1,118,416,313,995.09 - Step 5: Solve for x
x = 1,118,416,313,995.09/1,700,598.16 - Step 6: Final answer
x = 657,660.55
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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.