Home / 951,682.20-1,313,358.24-521,980.44

Finding the Fourth Proportional to 951,682.20, 1,313,358.24 and 521,980.44

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Solution

The fourth proportional to 951,682.20, 1,313,358.24 and 521,980.44 is: 720,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,682.20 : 1,313,358.24 = 521,980.44 : x
  2. Step 2: Convert to fraction form
    951,682.20/1,313,358.24 = 521,980.44/x
  3. Step 3: Cross multiply
    951,682.20x = 1,313,358.24 × 521,980.44
  4. Step 4: Simplify right side
    951,682.20x = 685,547,311,992.83
  5. Step 5: Solve for x
    x = 685,547,311,992.83/951,682.20
  6. Step 6: Final answer
    x = 720,353.19

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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.