Home / 452,256.48-624,121.20-261,286.56

Finding the Fourth Proportional to 452,256.48, 624,121.20 and 261,286.56

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Solution

The fourth proportional to 452,256.48, 624,121.20 and 261,286.56 is: 360,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,256.48 : 624,121.20 = 261,286.56 : x
  2. Step 2: Convert to fraction form
    452,256.48/624,121.20 = 261,286.56/x
  3. Step 3: Cross multiply
    452,256.48x = 624,121.20 × 261,286.56
  4. Step 4: Simplify right side
    452,256.48x = 163,074,481,371.07
  5. Step 5: Solve for x
    x = 163,074,481,371.07/452,256.48
  6. Step 6: Final answer
    x = 360,579.65

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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.