Finding the Fourth Proportional to 1,712,520, 2,363,278.62 and 938,178.99
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Solution
The fourth proportional to 1,712,520, 2,363,278.62 and 938,178.99 is: 1,294,687.56
Step by Step Solution
- Step 1: Write the proportion equation
1,712,520 : 2,363,278.62 = 938,178.99 : x - Step 2: Convert to fraction form
1,712,520/2,363,278.62 = 938,178.99/x - Step 3: Cross multiply
1,712,520x = 2,363,278.62 × 938,178.99 - Step 4: Simplify right side
1,712,520x = 2,217,178,348,800.19 - Step 5: Solve for x
x = 2,217,178,348,800.19/1,712,520 - Step 6: Final answer
x = 1,294,687.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.