Home / 476,629.20-714,579.30-240,141.60

Finding the Fourth Proportional to 476,629.20, 714,579.30 and 240,141.60

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Solution

The fourth proportional to 476,629.20, 714,579.30 and 240,141.60 is: 360,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,629.20 : 714,579.30 = 240,141.60 : x
  2. Step 2: Convert to fraction form
    476,629.20/714,579.30 = 240,141.60/x
  3. Step 3: Cross multiply
    476,629.20x = 714,579.30 × 240,141.60
  4. Step 4: Simplify right side
    476,629.20x = 171,600,216,428.88
  5. Step 5: Solve for x
    x = 171,600,216,428.88/476,629.20
  6. Step 6: Final answer
    x = 360,028.75

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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.