Finding the Fourth Proportional to 1,686,569.86, 2,327,459.10 and 912,201.49
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Solution
The fourth proportional to 1,686,569.86, 2,327,459.10 and 912,201.49 is: 1,258,834.10
Step by Step Solution
- Step 1: Write the proportion equation
1,686,569.86 : 2,327,459.10 = 912,201.49 : x - Step 2: Convert to fraction form
1,686,569.86/2,327,459.10 = 912,201.49/x - Step 3: Cross multiply
1,686,569.86x = 2,327,459.10 × 912,201.49 - Step 4: Simplify right side
1,686,569.86x = 2,123,111,658,934.06 - Step 5: Solve for x
x = 2,123,111,658,934.06/1,686,569.86 - Step 6: Final answer
x = 1,258,834.10
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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.