Home / 494,114.55-681,365.30-422,730.87

Finding the Fourth Proportional to 494,114.55, 681,365.30 and 422,730.87

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Solution

The fourth proportional to 494,114.55, 681,365.30 and 422,730.87 is: 582,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,114.55 : 681,365.30 = 422,730.87 : x
  2. Step 2: Convert to fraction form
    494,114.55/681,365.30 = 422,730.87/x
  3. Step 3: Cross multiply
    494,114.55x = 681,365.30 × 422,730.87
  4. Step 4: Simplify right side
    494,114.55x = 288,034,143,943.16
  5. Step 5: Solve for x
    x = 288,034,143,943.16/494,114.55
  6. Step 6: Final answer
    x = 582,929.90

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1.5x scale

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.