Home / 888,911.27-1,226,700.78-481,013.09

Finding the Fourth Proportional to 888,911.27, 1,226,700.78 and 481,013.09

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Solution

The fourth proportional to 888,911.27, 1,226,700.78 and 481,013.09 is: 663,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,911.27 : 1,226,700.78 = 481,013.09 : x
  2. Step 2: Convert to fraction form
    888,911.27/1,226,700.78 = 481,013.09/x
  3. Step 3: Cross multiply
    888,911.27x = 1,226,700.78 × 481,013.09
  4. Step 4: Simplify right side
    888,911.27x = 590,059,132,693.21
  5. Step 5: Solve for x
    x = 590,059,132,693.21/888,911.27
  6. Step 6: Final answer
    x = 663,799.81

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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.