Home / 764,147.52-1,054,445.04-477,699.12

Finding the Fourth Proportional to 764,147.52, 1,054,445.04 and 477,699.12

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Solution

The fourth proportional to 764,147.52, 1,054,445.04 and 477,699.12 is: 659,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,147.52 : 1,054,445.04 = 477,699.12 : x
  2. Step 2: Convert to fraction form
    764,147.52/1,054,445.04 = 477,699.12/x
  3. Step 3: Cross multiply
    764,147.52x = 1,054,445.04 × 477,699.12
  4. Step 4: Simplify right side
    764,147.52x = 503,707,467,696.37
  5. Step 5: Solve for x
    x = 503,707,467,696.37/764,147.52
  6. Step 6: Final answer
    x = 659,175.69

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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.