Home / 654,546.78-982,104.48-355,238.82

Finding the Fourth Proportional to 654,546.78, 982,104.48 and 355,238.82

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Solution

The fourth proportional to 654,546.78, 982,104.48 and 355,238.82 is: 533,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,546.78 : 982,104.48 = 355,238.82 : x
  2. Step 2: Convert to fraction form
    654,546.78/982,104.48 = 355,238.82/x
  3. Step 3: Cross multiply
    654,546.78x = 982,104.48 × 355,238.82
  4. Step 4: Simplify right side
    654,546.78x = 348,881,636,591.91
  5. Step 5: Solve for x
    x = 348,881,636,591.91/654,546.78
  6. Step 6: Final answer
    x = 533,012.53

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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.