Home / 1,238,433.32-1,855,857.09-853,787.34

Finding the Fourth Proportional to 1,238,433.32, 1,855,857.09 and 853,787.34

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Solution

The fourth proportional to 1,238,433.32, 1,855,857.09 and 853,787.34 is: 1,279,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,433.32 : 1,855,857.09 = 853,787.34 : x
  2. Step 2: Convert to fraction form
    1,238,433.32/1,855,857.09 = 853,787.34/x
  3. Step 3: Cross multiply
    1,238,433.32x = 1,855,857.09 × 853,787.34
  4. Step 4: Simplify right side
    1,238,433.32x = 1,584,507,288,291.24
  5. Step 5: Solve for x
    x = 1,584,507,288,291.24/1,238,433.32
  6. Step 6: Final answer
    x = 1,279,444.97

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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.