Finding the Fourth Proportional to 1,277,057.04, 1,762,350.12 and 704,117.76
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Solution
The fourth proportional to 1,277,057.04, 1,762,350.12 and 704,117.76 is: 971,688.80
Step by Step Solution
- Step 1: Write the proportion equation
1,277,057.04 : 1,762,350.12 = 704,117.76 : x - Step 2: Convert to fraction form
1,277,057.04/1,762,350.12 = 704,117.76/x - Step 3: Cross multiply
1,277,057.04x = 1,762,350.12 × 704,117.76 - Step 4: Simplify right side
1,277,057.04x = 1,240,902,018,830.13 - Step 5: Solve for x
x = 1,240,902,018,830.13/1,277,057.04 - Step 6: Final answer
x = 971,688.80
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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.