Home / 414,060.60-621,177.30-133,606.20

Finding the Fourth Proportional to 414,060.60, 621,177.30 and 133,606.20

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Solution

The fourth proportional to 414,060.60, 621,177.30 and 133,606.20 is: 200,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,060.60 : 621,177.30 = 133,606.20 : x
  2. Step 2: Convert to fraction form
    414,060.60/621,177.30 = 133,606.20/x
  3. Step 3: Cross multiply
    414,060.60x = 621,177.30 × 133,606.20
  4. Step 4: Simplify right side
    414,060.60x = 82,993,138,579.26
  5. Step 5: Solve for x
    x = 82,993,138,579.26/414,060.60
  6. Step 6: Final answer
    x = 200,437.18

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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.