Home / 1,176,378.40-1,763,793.23-775,797.76

Finding the Fourth Proportional to 1,176,378.40, 1,763,793.23 and 775,797.76

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Solution

The fourth proportional to 1,176,378.40, 1,763,793.23 and 775,797.76 is: 1,163,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,378.40 : 1,763,793.23 = 775,797.76 : x
  2. Step 2: Convert to fraction form
    1,176,378.40/1,763,793.23 = 775,797.76/x
  3. Step 3: Cross multiply
    1,176,378.40x = 1,763,793.23 × 775,797.76
  4. Step 4: Simplify right side
    1,176,378.40x = 1,368,346,828,648.69
  5. Step 5: Solve for x
    x = 1,368,346,828,648.69/1,176,378.40
  6. Step 6: Final answer
    x = 1,163,185.95

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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.