Home / 1,238,213.73-1,708,708.30-694,337.58

Finding the Fourth Proportional to 1,238,213.73, 1,708,708.30 and 694,337.58

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Solution

The fourth proportional to 1,238,213.73, 1,708,708.30 and 694,337.58 is: 958,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,213.73 : 1,708,708.30 = 694,337.58 : x
  2. Step 2: Convert to fraction form
    1,238,213.73/1,708,708.30 = 694,337.58/x
  3. Step 3: Cross multiply
    1,238,213.73x = 1,708,708.30 × 694,337.58
  4. Step 4: Simplify right side
    1,238,213.73x = 1,186,420,384,212.07
  5. Step 5: Solve for x
    x = 1,186,420,384,212.07/1,238,213.73
  6. Step 6: Final answer
    x = 958,170.91

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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.