Home / 951,780.86-1,313,494.36-522,079.10

Finding the Fourth Proportional to 951,780.86, 1,313,494.36 and 522,079.10

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Solution

The fourth proportional to 951,780.86, 1,313,494.36 and 522,079.10 is: 720,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,780.86 : 1,313,494.36 = 522,079.10 : x
  2. Step 2: Convert to fraction form
    951,780.86/1,313,494.36 = 522,079.10/x
  3. Step 3: Cross multiply
    951,780.86x = 1,313,494.36 × 522,079.10
  4. Step 4: Simplify right side
    951,780.86x = 685,747,953,323.88
  5. Step 5: Solve for x
    x = 685,747,953,323.88/951,780.86
  6. Step 6: Final answer
    x = 720,489.33

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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.