Home / 1,162,765.44-1,604,472.03-672,819.12

Finding the Fourth Proportional to 1,162,765.44, 1,604,472.03 and 672,819.12

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Solution

The fourth proportional to 1,162,765.44, 1,604,472.03 and 672,819.12 is: 928,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,765.44 : 1,604,472.03 = 672,819.12 : x
  2. Step 2: Convert to fraction form
    1,162,765.44/1,604,472.03 = 672,819.12/x
  3. Step 3: Cross multiply
    1,162,765.44x = 1,604,472.03 × 672,819.12
  4. Step 4: Simplify right side
    1,162,765.44x = 1,079,519,459,289.21
  5. Step 5: Solve for x
    x = 1,079,519,459,289.21/1,162,765.44
  6. Step 6: Final answer
    x = 928,406.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.