Home / 665,028.20-997,542.30-332,484.20

Finding the Fourth Proportional to 665,028.20, 997,542.30 and 332,484.20

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Solution

The fourth proportional to 665,028.20, 997,542.30 and 332,484.20 is: 498,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,028.20 : 997,542.30 = 332,484.20 : x
  2. Step 2: Convert to fraction form
    665,028.20/997,542.30 = 332,484.20/x
  3. Step 3: Cross multiply
    665,028.20x = 997,542.30 × 332,484.20
  4. Step 4: Simplify right side
    665,028.20x = 331,667,053,581.66
  5. Step 5: Solve for x
    x = 331,667,053,581.66/665,028.20
  6. Step 6: Final answer
    x = 498,726.30

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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.