Home / 454,962.88-627,847.20-253,758.72

Finding the Fourth Proportional to 454,962.88, 627,847.20 and 253,758.72

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Solution

The fourth proportional to 454,962.88, 627,847.20 and 253,758.72 is: 350,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,962.88 : 627,847.20 = 253,758.72 : x
  2. Step 2: Convert to fraction form
    454,962.88/627,847.20 = 253,758.72/x
  3. Step 3: Cross multiply
    454,962.88x = 627,847.20 × 253,758.72
  4. Step 4: Simplify right side
    454,962.88x = 159,321,701,827.58
  5. Step 5: Solve for x
    x = 159,321,701,827.58/454,962.88
  6. Step 6: Final answer
    x = 350,186.16

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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.