Home / 1,209,615.77-1,813,406.67-809,033.91

Finding the Fourth Proportional to 1,209,615.77, 1,813,406.67 and 809,033.91

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Solution

The fourth proportional to 1,209,615.77, 1,813,406.67 and 809,033.91 is: 1,212,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,615.77 : 1,813,406.67 = 809,033.91 : x
  2. Step 2: Convert to fraction form
    1,209,615.77/1,813,406.67 = 809,033.91/x
  3. Step 3: Cross multiply
    1,209,615.77x = 1,813,406.67 × 809,033.91
  4. Step 4: Simplify right side
    1,209,615.77x = 1,467,107,488,650.18
  5. Step 5: Solve for x
    x = 1,467,107,488,650.18/1,209,615.77
  6. Step 6: Final answer
    x = 1,212,870.67

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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.