Home / 1,311,729.87-1,965,890.57-591,542.67

Finding the Fourth Proportional to 1,311,729.87, 1,965,890.57 and 591,542.67

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Solution

The fourth proportional to 1,311,729.87, 1,965,890.57 and 591,542.67 is: 886,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,729.87 : 1,965,890.57 = 591,542.67 : x
  2. Step 2: Convert to fraction form
    1,311,729.87/1,965,890.57 = 591,542.67/x
  3. Step 3: Cross multiply
    1,311,729.87x = 1,965,890.57 × 591,542.67
  4. Step 4: Simplify right side
    1,311,729.87x = 1,162,908,153,747.91
  5. Step 5: Solve for x
    x = 1,162,908,153,747.91/1,311,729.87
  6. Step 6: Final answer
    x = 886,545.45

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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.