Home / 940,783.50-1,298,819.46-619,426.92

Finding the Fourth Proportional to 940,783.50, 1,298,819.46 and 619,426.92

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Solution

The fourth proportional to 940,783.50, 1,298,819.46 and 619,426.92 is: 855,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,783.50 : 1,298,819.46 = 619,426.92 : x
  2. Step 2: Convert to fraction form
    940,783.50/1,298,819.46 = 619,426.92/x
  3. Step 3: Cross multiply
    940,783.50x = 1,298,819.46 × 619,426.92
  4. Step 4: Simplify right side
    940,783.50x = 804,523,737,743.86
  5. Step 5: Solve for x
    x = 804,523,737,743.86/940,783.50
  6. Step 6: Final answer
    x = 855,163.53

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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.