Home / 1,059,785.54-1,589,678.73-261,082.61

Finding the Fourth Proportional to 1,059,785.54, 1,589,678.73 and 261,082.61

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Solution

The fourth proportional to 1,059,785.54, 1,589,678.73 and 261,082.61 is: 391,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,785.54 : 1,589,678.73 = 261,082.61 : x
  2. Step 2: Convert to fraction form
    1,059,785.54/1,589,678.73 = 261,082.61/x
  3. Step 3: Cross multiply
    1,059,785.54x = 1,589,678.73 × 261,082.61
  4. Step 4: Simplify right side
    1,059,785.54x = 415,037,471,889.89
  5. Step 5: Solve for x
    x = 415,037,471,889.89/1,059,785.54
  6. Step 6: Final answer
    x = 391,624.02

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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.