Home / 656,590.20-984,885.30-341,662.20

Finding the Fourth Proportional to 656,590.20, 984,885.30 and 341,662.20

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Solution

The fourth proportional to 656,590.20, 984,885.30 and 341,662.20 is: 512,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,590.20 : 984,885.30 = 341,662.20 : x
  2. Step 2: Convert to fraction form
    656,590.20/984,885.30 = 341,662.20/x
  3. Step 3: Cross multiply
    656,590.20x = 984,885.30 × 341,662.20
  4. Step 4: Simplify right side
    656,590.20x = 336,498,078,345.66
  5. Step 5: Solve for x
    x = 336,498,078,345.66/656,590.20
  6. Step 6: Final answer
    x = 512,493.30

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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.