Home / 1,219,512.84-1,682,883.03-703,288.50

Finding the Fourth Proportional to 1,219,512.84, 1,682,883.03 and 703,288.50

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Solution

The fourth proportional to 1,219,512.84, 1,682,883.03 and 703,288.50 is: 970,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,512.84 : 1,682,883.03 = 703,288.50 : x
  2. Step 2: Convert to fraction form
    1,219,512.84/1,682,883.03 = 703,288.50/x
  3. Step 3: Cross multiply
    1,219,512.84x = 1,682,883.03 × 703,288.50
  4. Step 4: Simplify right side
    1,219,512.84x = 1,183,552,273,429.74
  5. Step 5: Solve for x
    x = 1,183,552,273,429.74/1,219,512.84
  6. Step 6: Final answer
    x = 970,512.35

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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.