Home / 617,944.20-926,916.30-485,233.80

Finding the Fourth Proportional to 617,944.20, 926,916.30 and 485,233.80

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Solution

The fourth proportional to 617,944.20, 926,916.30 and 485,233.80 is: 727,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,944.20 : 926,916.30 = 485,233.80 : x
  2. Step 2: Convert to fraction form
    617,944.20/926,916.30 = 485,233.80/x
  3. Step 3: Cross multiply
    617,944.20x = 926,916.30 × 485,233.80
  4. Step 4: Simplify right side
    617,944.20x = 449,771,118,530.94
  5. Step 5: Solve for x
    x = 449,771,118,530.94/617,944.20
  6. Step 6: Final answer
    x = 727,850.70

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Half scale
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Double scale
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Similar ratio
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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.