Home / 1,256,900.28-1,874,896.24-1,135,827.96

Finding the Fourth Proportional to 1,256,900.28, 1,874,896.24 and 1,135,827.96

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Solution

The fourth proportional to 1,256,900.28, 1,874,896.24 and 1,135,827.96 is: 1,694,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,900.28 : 1,874,896.24 = 1,135,827.96 : x
  2. Step 2: Convert to fraction form
    1,256,900.28/1,874,896.24 = 1,135,827.96/x
  3. Step 3: Cross multiply
    1,256,900.28x = 1,874,896.24 × 1,135,827.96
  4. Step 4: Simplify right side
    1,256,900.28x = 2,129,559,571,490.87
  5. Step 5: Solve for x
    x = 2,129,559,571,490.87/1,256,900.28
  6. Step 6: Final answer
    x = 1,694,294.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.