Home / 547,790.10-823,067.55-348,206.10

Finding the Fourth Proportional to 547,790.10, 823,067.55 and 348,206.10

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Solution

The fourth proportional to 547,790.10, 823,067.55 and 348,206.10 is: 523,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,790.10 : 823,067.55 = 348,206.10 : x
  2. Step 2: Convert to fraction form
    547,790.10/823,067.55 = 348,206.10/x
  3. Step 3: Cross multiply
    547,790.10x = 823,067.55 × 348,206.10
  4. Step 4: Simplify right side
    547,790.10x = 286,597,141,622.06
  5. Step 5: Solve for x
    x = 286,597,141,622.06/547,790.10
  6. Step 6: Final answer
    x = 523,187.88

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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.