Home / 764,293.52-1,055,197.32-492,457.52

Finding the Fourth Proportional to 764,293.52, 1,055,197.32 and 492,457.52

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Solution

The fourth proportional to 764,293.52, 1,055,197.32 and 492,457.52 is: 679,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,293.52 : 1,055,197.32 = 492,457.52 : x
  2. Step 2: Convert to fraction form
    764,293.52/1,055,197.32 = 492,457.52/x
  3. Step 3: Cross multiply
    764,293.52x = 1,055,197.32 × 492,457.52
  4. Step 4: Simplify right side
    764,293.52x = 519,639,855,317.85
  5. Step 5: Solve for x
    x = 519,639,855,317.85/764,293.52
  6. Step 6: Final answer
    x = 679,895.67

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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.