Home / 1,052,765.28-1,579,749.84-445,505.76

Finding the Fourth Proportional to 1,052,765.28, 1,579,749.84 and 445,505.76

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Solution

The fourth proportional to 1,052,765.28, 1,579,749.84 and 445,505.76 is: 668,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,765.28 : 1,579,749.84 = 445,505.76 : x
  2. Step 2: Convert to fraction form
    1,052,765.28/1,579,749.84 = 445,505.76/x
  3. Step 3: Cross multiply
    1,052,765.28x = 1,579,749.84 × 445,505.76
  4. Step 4: Simplify right side
    1,052,765.28x = 703,787,653,079.08
  5. Step 5: Solve for x
    x = 703,787,653,079.08/1,052,765.28
  6. Step 6: Final answer
    x = 668,513.36

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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.