Home / 951,818.72-1,313,509.84-522,099.84

Finding the Fourth Proportional to 951,818.72, 1,313,509.84 and 522,099.84

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Solution

The fourth proportional to 951,818.72, 1,313,509.84 and 522,099.84 is: 720,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,818.72 : 1,313,509.84 = 522,099.84 : x
  2. Step 2: Convert to fraction form
    951,818.72/1,313,509.84 = 522,099.84/x
  3. Step 3: Cross multiply
    951,818.72x = 1,313,509.84 × 522,099.84
  4. Step 4: Simplify right side
    951,818.72x = 685,783,277,302.43
  5. Step 5: Solve for x
    x = 685,783,277,302.43/951,818.72
  6. Step 6: Final answer
    x = 720,497.78

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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.