Home / 1,206,431.28-1,809,895.30-353,530.59

Finding the Fourth Proportional to 1,206,431.28, 1,809,895.30 and 353,530.59

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Solution

The fourth proportional to 1,206,431.28, 1,809,895.30 and 353,530.59 is: 530,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,431.28 : 1,809,895.30 = 353,530.59 : x
  2. Step 2: Convert to fraction form
    1,206,431.28/1,809,895.30 = 353,530.59/x
  3. Step 3: Cross multiply
    1,206,431.28x = 1,809,895.30 × 353,530.59
  4. Step 4: Simplify right side
    1,206,431.28x = 639,853,353,247.23
  5. Step 5: Solve for x
    x = 639,853,353,247.23/1,206,431.28
  6. Step 6: Final answer
    x = 530,368.67

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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.