Home / 833,406.09-1,150,099.32-451,434.39

Finding the Fourth Proportional to 833,406.09, 1,150,099.32 and 451,434.39

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Solution

The fourth proportional to 833,406.09, 1,150,099.32 and 451,434.39 is: 622,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,406.09 : 1,150,099.32 = 451,434.39 : x
  2. Step 2: Convert to fraction form
    833,406.09/1,150,099.32 = 451,434.39/x
  3. Step 3: Cross multiply
    833,406.09x = 1,150,099.32 × 451,434.39
  4. Step 4: Simplify right side
    833,406.09x = 519,194,384,963.62
  5. Step 5: Solve for x
    x = 519,194,384,963.62/833,406.09
  6. Step 6: Final answer
    x = 622,978.87

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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.