Home / 453,249.32-679,873.50-215,872.04

Finding the Fourth Proportional to 453,249.32, 679,873.50 and 215,872.04

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Solution

The fourth proportional to 453,249.32, 679,873.50 and 215,872.04 is: 323,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,249.32 : 679,873.50 = 215,872.04 : x
  2. Step 2: Convert to fraction form
    453,249.32/679,873.50 = 215,872.04/x
  3. Step 3: Cross multiply
    453,249.32x = 679,873.50 × 215,872.04
  4. Step 4: Simplify right side
    453,249.32x = 146,765,679,386.94
  5. Step 5: Solve for x
    x = 146,765,679,386.94/453,249.32
  6. Step 6: Final answer
    x = 323,807.83

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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.