Home / 1,278,793.53-1,764,749.73-705,834.18

Finding the Fourth Proportional to 1,278,793.53, 1,764,749.73 and 705,834.18

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Solution

The fourth proportional to 1,278,793.53, 1,764,749.73 and 705,834.18 is: 974,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,793.53 : 1,764,749.73 = 705,834.18 : x
  2. Step 2: Convert to fraction form
    1,278,793.53/1,764,749.73 = 705,834.18/x
  3. Step 3: Cross multiply
    1,278,793.53x = 1,764,749.73 × 705,834.18
  4. Step 4: Simplify right side
    1,278,793.53x = 1,245,620,678,579.77
  5. Step 5: Solve for x
    x = 1,245,620,678,579.77/1,278,793.53
  6. Step 6: Final answer
    x = 974,059.26

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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.