Home / 597,620.20-896,430.30-218,540.20

Finding the Fourth Proportional to 597,620.20, 896,430.30 and 218,540.20

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Solution

The fourth proportional to 597,620.20, 896,430.30 and 218,540.20 is: 327,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,620.20 : 896,430.30 = 218,540.20 : x
  2. Step 2: Convert to fraction form
    597,620.20/896,430.30 = 218,540.20/x
  3. Step 3: Cross multiply
    597,620.20x = 896,430.30 × 218,540.20
  4. Step 4: Simplify right side
    597,620.20x = 195,906,057,048.06
  5. Step 5: Solve for x
    x = 195,906,057,048.06/597,620.20
  6. Step 6: Final answer
    x = 327,810.30

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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.