Home / 628,036.88-943,958.54-415,529.60

Finding the Fourth Proportional to 628,036.88, 943,958.54 and 415,529.60

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Solution

The fourth proportional to 628,036.88, 943,958.54 and 415,529.60 is: 624,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,036.88 : 943,958.54 = 415,529.60 : x
  2. Step 2: Convert to fraction form
    628,036.88/943,958.54 = 415,529.60/x
  3. Step 3: Cross multiply
    628,036.88x = 943,958.54 × 415,529.60
  4. Step 4: Simplify right side
    628,036.88x = 392,242,714,542.78
  5. Step 5: Solve for x
    x = 392,242,714,542.78/628,036.88
  6. Step 6: Final answer
    x = 624,553.63

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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.