Home / 1,619,785.62-2,235,736.49-931,532.67

Finding the Fourth Proportional to 1,619,785.62, 2,235,736.49 and 931,532.67

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Solution

The fourth proportional to 1,619,785.62, 2,235,736.49 and 931,532.67 is: 1,285,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,785.62 : 2,235,736.49 = 931,532.67 : x
  2. Step 2: Convert to fraction form
    1,619,785.62/2,235,736.49 = 931,532.67/x
  3. Step 3: Cross multiply
    1,619,785.62x = 2,235,736.49 × 931,532.67
  4. Step 4: Simplify right side
    1,619,785.62x = 2,082,661,577,288.47
  5. Step 5: Solve for x
    x = 2,082,661,577,288.47/1,619,785.62
  6. Step 6: Final answer
    x = 1,285,763.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.