Home / 309,974.40-464,517.58-176,579.20

Finding the Fourth Proportional to 309,974.40, 464,517.58 and 176,579.20

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Solution

The fourth proportional to 309,974.40, 464,517.58 and 176,579.20 is: 264,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,974.40 : 464,517.58 = 176,579.20 : x
  2. Step 2: Convert to fraction form
    309,974.40/464,517.58 = 176,579.20/x
  3. Step 3: Cross multiply
    309,974.40x = 464,517.58 × 176,579.20
  4. Step 4: Simplify right side
    309,974.40x = 82,024,142,662.34
  5. Step 5: Solve for x
    x = 82,024,142,662.34/309,974.40
  6. Step 6: Final answer
    x = 264,615.86

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1.5x scale

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.