Home / 858,787.19-1,185,163.34-476,814

Finding the Fourth Proportional to 858,787.19, 1,185,163.34 and 476,814

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Solution

The fourth proportional to 858,787.19, 1,185,163.34 and 476,814 is: 658,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,787.19 : 1,185,163.34 = 476,814 : x
  2. Step 2: Convert to fraction form
    858,787.19/1,185,163.34 = 476,814/x
  3. Step 3: Cross multiply
    858,787.19x = 1,185,163.34 × 476,814
  4. Step 4: Simplify right side
    858,787.19x = 565,102,470,414.69
  5. Step 5: Solve for x
    x = 565,102,470,414.69/858,787.19
  6. Step 6: Final answer
    x = 658,023.87

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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.