Home / 589,626.20-884,439.30-449,658.20

Finding the Fourth Proportional to 589,626.20, 884,439.30 and 449,658.20

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Solution

The fourth proportional to 589,626.20, 884,439.30 and 449,658.20 is: 674,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,626.20 : 884,439.30 = 449,658.20 : x
  2. Step 2: Convert to fraction form
    589,626.20/884,439.30 = 449,658.20/x
  3. Step 3: Cross multiply
    589,626.20x = 884,439.30 × 449,658.20
  4. Step 4: Simplify right side
    589,626.20x = 397,695,383,647.26
  5. Step 5: Solve for x
    x = 397,695,383,647.26/589,626.20
  6. Step 6: Final answer
    x = 674,487.30

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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.