Home / 1,052,775.28-1,579,764.84-445,515.76

Finding the Fourth Proportional to 1,052,775.28, 1,579,764.84 and 445,515.76

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Solution

The fourth proportional to 1,052,775.28, 1,579,764.84 and 445,515.76 is: 668,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,775.28 : 1,579,764.84 = 445,515.76 : x
  2. Step 2: Convert to fraction form
    1,052,775.28/1,579,764.84 = 445,515.76/x
  3. Step 3: Cross multiply
    1,052,775.28x = 1,579,764.84 × 445,515.76
  4. Step 4: Simplify right side
    1,052,775.28x = 703,810,133,313.88
  5. Step 5: Solve for x
    x = 703,810,133,313.88/1,052,775.28
  6. Step 6: Final answer
    x = 668,528.36

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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.