Home / 764,936.40-1,146,205.80-483,859.92

Finding the Fourth Proportional to 764,936.40, 1,146,205.80 and 483,859.92

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Solution

The fourth proportional to 764,936.40, 1,146,205.80 and 483,859.92 is: 725,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,936.40 : 1,146,205.80 = 483,859.92 : x
  2. Step 2: Convert to fraction form
    764,936.40/1,146,205.80 = 483,859.92/x
  3. Step 3: Cross multiply
    764,936.40x = 1,146,205.80 × 483,859.92
  4. Step 4: Simplify right side
    764,936.40x = 554,603,046,691.54
  5. Step 5: Solve for x
    x = 554,603,046,691.54/764,936.40
  6. Step 6: Final answer
    x = 725,031.58

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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.