Home / 494,629.20-741,943.80-317,482.20

Finding the Fourth Proportional to 494,629.20, 741,943.80 and 317,482.20

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Solution

The fourth proportional to 494,629.20, 741,943.80 and 317,482.20 is: 476,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,629.20 : 741,943.80 = 317,482.20 : x
  2. Step 2: Convert to fraction form
    494,629.20/741,943.80 = 317,482.20/x
  3. Step 3: Cross multiply
    494,629.20x = 741,943.80 × 317,482.20
  4. Step 4: Simplify right side
    494,629.20x = 235,553,949,900.36
  5. Step 5: Solve for x
    x = 235,553,949,900.36/494,629.20
  6. Step 6: Final answer
    x = 476,223.30

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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.