Home / 667,288.80-1,000,933.20-168,652.80

Finding the Fourth Proportional to 667,288.80, 1,000,933.20 and 168,652.80

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Solution

The fourth proportional to 667,288.80, 1,000,933.20 and 168,652.80 is: 252,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,288.80 : 1,000,933.20 = 168,652.80 : x
  2. Step 2: Convert to fraction form
    667,288.80/1,000,933.20 = 168,652.80/x
  3. Step 3: Cross multiply
    667,288.80x = 1,000,933.20 × 168,652.80
  4. Step 4: Simplify right side
    667,288.80x = 168,810,186,792.96
  5. Step 5: Solve for x
    x = 168,810,186,792.96/667,288.80
  6. Step 6: Final answer
    x = 252,979.20

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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.