Home / 456,074.68-629,387.04-252,122.36

Finding the Fourth Proportional to 456,074.68, 629,387.04 and 252,122.36

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Solution

The fourth proportional to 456,074.68, 629,387.04 and 252,122.36 is: 347,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,074.68 : 629,387.04 = 252,122.36 : x
  2. Step 2: Convert to fraction form
    456,074.68/629,387.04 = 252,122.36/x
  3. Step 3: Cross multiply
    456,074.68x = 629,387.04 × 252,122.36
  4. Step 4: Simplify right side
    456,074.68x = 158,682,545,878.21
  5. Step 5: Solve for x
    x = 158,682,545,878.21/456,074.68
  6. Step 6: Final answer
    x = 347,931.06

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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.