Home / 2,238,765.84-3,358,133.64-641,334.78

Finding the Fourth Proportional to 2,238,765.84, 3,358,133.64 and 641,334.78

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Solution

The fourth proportional to 2,238,765.84, 3,358,133.64 and 641,334.78 is: 961,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,765.84 : 3,358,133.64 = 641,334.78 : x
  2. Step 2: Convert to fraction form
    2,238,765.84/3,358,133.64 = 641,334.78/x
  3. Step 3: Cross multiply
    2,238,765.84x = 3,358,133.64 × 641,334.78
  4. Step 4: Simplify right side
    2,238,765.84x = 2,153,687,899,220.00
  5. Step 5: Solve for x
    x = 2,153,687,899,220.00/2,238,765.84
  6. Step 6: Final answer
    x = 961,997.84

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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.