Home / 617,832.20-926,748.30-369,000.20

Finding the Fourth Proportional to 617,832.20, 926,748.30 and 369,000.20

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Solution

The fourth proportional to 617,832.20, 926,748.30 and 369,000.20 is: 553,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,832.20 : 926,748.30 = 369,000.20 : x
  2. Step 2: Convert to fraction form
    617,832.20/926,748.30 = 369,000.20/x
  3. Step 3: Cross multiply
    617,832.20x = 926,748.30 × 369,000.20
  4. Step 4: Simplify right side
    617,832.20x = 341,970,308,049.66
  5. Step 5: Solve for x
    x = 341,970,308,049.66/617,832.20
  6. Step 6: Final answer
    x = 553,500.30

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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.