Home / 414,541.40-622,272.90-256,947.80

Finding the Fourth Proportional to 414,541.40, 622,272.90 and 256,947.80

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Solution

The fourth proportional to 414,541.40, 622,272.90 and 256,947.80 is: 385,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,541.40 : 622,272.90 = 256,947.80 : x
  2. Step 2: Convert to fraction form
    414,541.40/622,272.90 = 256,947.80/x
  3. Step 3: Cross multiply
    414,541.40x = 622,272.90 × 256,947.80
  4. Step 4: Simplify right side
    414,541.40x = 159,891,652,654.62
  5. Step 5: Solve for x
    x = 159,891,652,654.62/414,541.40
  6. Step 6: Final answer
    x = 385,707.32

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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.