Home / 630,982.20-946,473.30-394,786.20

Finding the Fourth Proportional to 630,982.20, 946,473.30 and 394,786.20

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Solution

The fourth proportional to 630,982.20, 946,473.30 and 394,786.20 is: 592,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,982.20 : 946,473.30 = 394,786.20 : x
  2. Step 2: Convert to fraction form
    630,982.20/946,473.30 = 394,786.20/x
  3. Step 3: Cross multiply
    630,982.20x = 946,473.30 × 394,786.20
  4. Step 4: Simplify right side
    630,982.20x = 373,654,597,508.46
  5. Step 5: Solve for x
    x = 373,654,597,508.46/630,982.20
  6. Step 6: Final answer
    x = 592,179.30

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Half scale
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Double scale
Find fourth proportional to 630,983.20, 946,474.80 and 394,787.20
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.