Home / 1,255,876.05-1,733,089.18-682,911.21

Finding the Fourth Proportional to 1,255,876.05, 1,733,089.18 and 682,911.21

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Solution

The fourth proportional to 1,255,876.05, 1,733,089.18 and 682,911.21 is: 942,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,876.05 : 1,733,089.18 = 682,911.21 : x
  2. Step 2: Convert to fraction form
    1,255,876.05/1,733,089.18 = 682,911.21/x
  3. Step 3: Cross multiply
    1,255,876.05x = 1,733,089.18 × 682,911.21
  4. Step 4: Simplify right side
    1,255,876.05x = 1,183,546,028,951.71
  5. Step 5: Solve for x
    x = 1,183,546,028,951.71/1,255,876.05
  6. Step 6: Final answer
    x = 942,406.72

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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.