Home / 1,056,709.98-1,585,687.05-392,328.54

Finding the Fourth Proportional to 1,056,709.98, 1,585,687.05 and 392,328.54

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Solution

The fourth proportional to 1,056,709.98, 1,585,687.05 and 392,328.54 is: 588,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,709.98 : 1,585,687.05 = 392,328.54 : x
  2. Step 2: Convert to fraction form
    1,056,709.98/1,585,687.05 = 392,328.54/x
  3. Step 3: Cross multiply
    1,056,709.98x = 1,585,687.05 × 392,328.54
  4. Step 4: Simplify right side
    1,056,709.98x = 622,110,285,223.41
  5. Step 5: Solve for x
    x = 622,110,285,223.41/1,056,709.98
  6. Step 6: Final answer
    x = 588,723.77

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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.