Home / 1,538,859.79-2,123,736.41-850,516.86

Finding the Fourth Proportional to 1,538,859.79, 2,123,736.41 and 850,516.86

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Solution

The fourth proportional to 1,538,859.79, 2,123,736.41 and 850,516.86 is: 1,173,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,859.79 : 2,123,736.41 = 850,516.86 : x
  2. Step 2: Convert to fraction form
    1,538,859.79/2,123,736.41 = 850,516.86/x
  3. Step 3: Cross multiply
    1,538,859.79x = 2,123,736.41 × 850,516.86
  4. Step 4: Simplify right side
    1,538,859.79x = 1,806,273,622,900.87
  5. Step 5: Solve for x
    x = 1,806,273,622,900.87/1,538,859.79
  6. Step 6: Final answer
    x = 1,173,774.01

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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.