Home / 483,947.40-725,921.10-168,436.20

Finding the Fourth Proportional to 483,947.40, 725,921.10 and 168,436.20

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Solution

The fourth proportional to 483,947.40, 725,921.10 and 168,436.20 is: 252,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,947.40 : 725,921.10 = 168,436.20 : x
  2. Step 2: Convert to fraction form
    483,947.40/725,921.10 = 168,436.20/x
  3. Step 3: Cross multiply
    483,947.40x = 725,921.10 × 168,436.20
  4. Step 4: Simplify right side
    483,947.40x = 122,271,391,583.82
  5. Step 5: Solve for x
    x = 122,271,391,583.82/483,947.40
  6. Step 6: Final answer
    x = 252,654.30

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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.