Home / 1,320,789.44-1,826,358.40-1,048,384.41

Finding the Fourth Proportional to 1,320,789.44, 1,826,358.40 and 1,048,384.41

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Solution

The fourth proportional to 1,320,789.44, 1,826,358.40 and 1,048,384.41 is: 1,449,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,789.44 : 1,826,358.40 = 1,048,384.41 : x
  2. Step 2: Convert to fraction form
    1,320,789.44/1,826,358.40 = 1,048,384.41/x
  3. Step 3: Cross multiply
    1,320,789.44x = 1,826,358.40 × 1,048,384.41
  4. Step 4: Simplify right side
    1,320,789.44x = 1,914,725,679,294.80
  5. Step 5: Solve for x
    x = 1,914,725,679,294.80/1,320,789.44
  6. Step 6: Final answer
    x = 1,449,682.76

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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.