Home / 764,554.87-1,146,074.78-359,021.13

Finding the Fourth Proportional to 764,554.87, 1,146,074.78 and 359,021.13

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Solution

The fourth proportional to 764,554.87, 1,146,074.78 and 359,021.13 is: 538,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,554.87 : 1,146,074.78 = 359,021.13 : x
  2. Step 2: Convert to fraction form
    764,554.87/1,146,074.78 = 359,021.13/x
  3. Step 3: Cross multiply
    764,554.87x = 1,146,074.78 × 359,021.13
  4. Step 4: Simplify right side
    764,554.87x = 411,465,068,849.88
  5. Step 5: Solve for x
    x = 411,465,068,849.88/764,554.87
  6. Step 6: Final answer
    x = 538,175.98

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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.