Finding the Fourth Proportional to 1,243,935.76, 1,863,959.62 and 865,595.70
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Solution
The fourth proportional to 1,243,935.76, 1,863,959.62 and 865,595.70 is: 1,297,040.80
Step by Step Solution
- Step 1: Write the proportion equation
1,243,935.76 : 1,863,959.62 = 865,595.70 : x - Step 2: Convert to fraction form
1,243,935.76/1,863,959.62 = 865,595.70/x - Step 3: Cross multiply
1,243,935.76x = 1,863,959.62 × 865,595.70 - Step 4: Simplify right side
1,243,935.76x = 1,613,435,432,045.63 - Step 5: Solve for x
x = 1,613,435,432,045.63/1,243,935.76 - Step 6: Final answer
x = 1,297,040.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.