Home / 617,824.20-926,736.30-368,992.20

Finding the Fourth Proportional to 617,824.20, 926,736.30 and 368,992.20

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Solution

The fourth proportional to 617,824.20, 926,736.30 and 368,992.20 is: 553,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,824.20 : 926,736.30 = 368,992.20 : x
  2. Step 2: Convert to fraction form
    617,824.20/926,736.30 = 368,992.20/x
  3. Step 3: Cross multiply
    617,824.20x = 926,736.30 × 368,992.20
  4. Step 4: Simplify right side
    617,824.20x = 341,958,466,156.86
  5. Step 5: Solve for x
    x = 341,958,466,156.86/617,824.20
  6. Step 6: Final answer
    x = 553,488.30

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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.