Home / 483,757.20-667,312.44-290,113.28

Finding the Fourth Proportional to 483,757.20, 667,312.44 and 290,113.28

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Solution

The fourth proportional to 483,757.20, 667,312.44 and 290,113.28 is: 400,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,757.20 : 667,312.44 = 290,113.28 : x
  2. Step 2: Convert to fraction form
    483,757.20/667,312.44 = 290,113.28/x
  3. Step 3: Cross multiply
    483,757.20x = 667,312.44 × 290,113.28
  4. Step 4: Simplify right side
    483,757.20x = 193,596,200,753.20
  5. Step 5: Solve for x
    x = 193,596,200,753.20/483,757.20
  6. Step 6: Final answer
    x = 400,192.91

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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.