Home / 1,278,826.35-1,764,780.51-705,866.67

Finding the Fourth Proportional to 1,278,826.35, 1,764,780.51 and 705,866.67

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Solution

The fourth proportional to 1,278,826.35, 1,764,780.51 and 705,866.67 is: 974,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,826.35 : 1,764,780.51 = 705,866.67 : x
  2. Step 2: Convert to fraction form
    1,278,826.35/1,764,780.51 = 705,866.67/x
  3. Step 3: Cross multiply
    1,278,826.35x = 1,764,780.51 × 705,866.67
  4. Step 4: Simplify right side
    1,278,826.35x = 1,245,699,741,874.60
  5. Step 5: Solve for x
    x = 1,245,699,741,874.60/1,278,826.35
  6. Step 6: Final answer
    x = 974,096.09

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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.