Home / 836,533.38-1,251,515.37-645,550.86

Finding the Fourth Proportional to 836,533.38, 1,251,515.37 and 645,550.86

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Solution

The fourth proportional to 836,533.38, 1,251,515.37 and 645,550.86 is: 965,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,533.38 : 1,251,515.37 = 645,550.86 : x
  2. Step 2: Convert to fraction form
    836,533.38/1,251,515.37 = 645,550.86/x
  3. Step 3: Cross multiply
    836,533.38x = 1,251,515.37 × 645,550.86
  4. Step 4: Simplify right side
    836,533.38x = 807,916,823,406.72
  5. Step 5: Solve for x
    x = 807,916,823,406.72/836,533.38
  6. Step 6: Final answer
    x = 965,791.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.