Home / 689,249.39-1,033,923.51-183,807.72

Finding the Fourth Proportional to 689,249.39, 1,033,923.51 and 183,807.72

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Solution

The fourth proportional to 689,249.39, 1,033,923.51 and 183,807.72 is: 275,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,249.39 : 1,033,923.51 = 183,807.72 : x
  2. Step 2: Convert to fraction form
    689,249.39/1,033,923.51 = 183,807.72/x
  3. Step 3: Cross multiply
    689,249.39x = 1,033,923.51 × 183,807.72
  4. Step 4: Simplify right side
    689,249.39x = 190,043,123,027.50
  5. Step 5: Solve for x
    x = 190,043,123,027.50/689,249.39
  6. Step 6: Final answer
    x = 275,724.76

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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.