Home / 617,921.30-925,067.55-460,846.10

Finding the Fourth Proportional to 617,921.30, 925,067.55 and 460,846.10

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Solution

The fourth proportional to 617,921.30, 925,067.55 and 460,846.10 is: 689,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,921.30 : 925,067.55 = 460,846.10 : x
  2. Step 2: Convert to fraction form
    617,921.30/925,067.55 = 460,846.10/x
  3. Step 3: Cross multiply
    617,921.30x = 925,067.55 × 460,846.10
  4. Step 4: Simplify right side
    617,921.30x = 426,313,772,654.06
  5. Step 5: Solve for x
    x = 426,313,772,654.06/617,921.30
  6. Step 6: Final answer
    x = 689,915.97

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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.