Finding the Fourth Proportional to 1,778,354.79, 2,667,534.09 and 832,389.81
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Solution
The fourth proportional to 1,778,354.79, 2,667,534.09 and 832,389.81 is: 1,248,585.61
Step by Step Solution
- Step 1: Write the proportion equation
1,778,354.79 : 2,667,534.09 = 832,389.81 : x - Step 2: Convert to fraction form
1,778,354.79/2,667,534.09 = 832,389.81/x - Step 3: Cross multiply
1,778,354.79x = 2,667,534.09 × 832,389.81 - Step 4: Simplify right side
1,778,354.79x = 2,220,428,194,343.62 - Step 5: Solve for x
x = 2,220,428,194,343.62/1,778,354.79 - Step 6: Final answer
x = 1,248,585.61
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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.