Home / 328,617.12-453,491.40-177,714.12

Finding the Fourth Proportional to 328,617.12, 453,491.40 and 177,714.12

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Solution

The fourth proportional to 328,617.12, 453,491.40 and 177,714.12 is: 245,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,617.12 : 453,491.40 = 177,714.12 : x
  2. Step 2: Convert to fraction form
    328,617.12/453,491.40 = 177,714.12/x
  3. Step 3: Cross multiply
    328,617.12x = 453,491.40 × 177,714.12
  4. Step 4: Simplify right side
    328,617.12x = 80,591,825,078.57
  5. Step 5: Solve for x
    x = 80,591,825,078.57/328,617.12
  6. Step 6: Final answer
    x = 245,245.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.