Home / 764,866.60-1,055,777.70-463,060.36

Finding the Fourth Proportional to 764,866.60, 1,055,777.70 and 463,060.36

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Solution

The fourth proportional to 764,866.60, 1,055,777.70 and 463,060.36 is: 639,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,866.60 : 1,055,777.70 = 463,060.36 : x
  2. Step 2: Convert to fraction form
    764,866.60/1,055,777.70 = 463,060.36/x
  3. Step 3: Cross multiply
    764,866.60x = 1,055,777.70 × 463,060.36
  4. Step 4: Simplify right side
    764,866.60x = 488,888,801,841.97
  5. Step 5: Solve for x
    x = 488,888,801,841.97/764,866.60
  6. Step 6: Final answer
    x = 639,181.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.