Home / 764,110.10-1,054,144.86-477,131.96

Finding the Fourth Proportional to 764,110.10, 1,054,144.86 and 477,131.96

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Solution

The fourth proportional to 764,110.10, 1,054,144.86 and 477,131.96 is: 658,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,110.10 : 1,054,144.86 = 477,131.96 : x
  2. Step 2: Convert to fraction form
    764,110.10/1,054,144.86 = 477,131.96/x
  3. Step 3: Cross multiply
    764,110.10x = 1,054,144.86 × 477,131.96
  4. Step 4: Simplify right side
    764,110.10x = 502,966,203,175.73
  5. Step 5: Solve for x
    x = 502,966,203,175.73/764,110.10
  6. Step 6: Final answer
    x = 658,237.87

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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.