Home / 756,066.80-1,134,359.40-335,644.40

Finding the Fourth Proportional to 756,066.80, 1,134,359.40 and 335,644.40

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Solution

The fourth proportional to 756,066.80, 1,134,359.40 and 335,644.40 is: 503,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,066.80 : 1,134,359.40 = 335,644.40 : x
  2. Step 2: Convert to fraction form
    756,066.80/1,134,359.40 = 335,644.40/x
  3. Step 3: Cross multiply
    756,066.80x = 1,134,359.40 × 335,644.40
  4. Step 4: Simplify right side
    756,066.80x = 380,741,380,197.36
  5. Step 5: Solve for x
    x = 380,741,380,197.36/756,066.80
  6. Step 6: Final answer
    x = 503,581.67

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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.