Home / 617,966.20-926,258.10-262,919.80

Finding the Fourth Proportional to 617,966.20, 926,258.10 and 262,919.80

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Solution

The fourth proportional to 617,966.20, 926,258.10 and 262,919.80 is: 394,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,966.20 : 926,258.10 = 262,919.80 : x
  2. Step 2: Convert to fraction form
    617,966.20/926,258.10 = 262,919.80/x
  3. Step 3: Cross multiply
    617,966.20x = 926,258.10 × 262,919.80
  4. Step 4: Simplify right side
    617,966.20x = 243,531,594,400.38
  5. Step 5: Solve for x
    x = 243,531,594,400.38/617,966.20
  6. Step 6: Final answer
    x = 394,085.62

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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.