Home / 665,050.20-997,575.30-332,506.20

Finding the Fourth Proportional to 665,050.20, 997,575.30 and 332,506.20

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Solution

The fourth proportional to 665,050.20, 997,575.30 and 332,506.20 is: 498,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,050.20 : 997,575.30 = 332,506.20 : x
  2. Step 2: Convert to fraction form
    665,050.20/997,575.30 = 332,506.20/x
  3. Step 3: Cross multiply
    665,050.20x = 997,575.30 × 332,506.20
  4. Step 4: Simplify right side
    665,050.20x = 331,699,972,216.86
  5. Step 5: Solve for x
    x = 331,699,972,216.86/665,050.20
  6. Step 6: Final answer
    x = 498,759.30

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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.