Home / 1,056,123.72-1,584,469.92-543,509.51

Finding the Fourth Proportional to 1,056,123.72, 1,584,469.92 and 543,509.51

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Solution

The fourth proportional to 1,056,123.72, 1,584,469.92 and 543,509.51 is: 815,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,123.72 : 1,584,469.92 = 543,509.51 : x
  2. Step 2: Convert to fraction form
    1,056,123.72/1,584,469.92 = 543,509.51/x
  3. Step 3: Cross multiply
    1,056,123.72x = 1,584,469.92 × 543,509.51
  4. Step 4: Simplify right side
    1,056,123.72x = 861,174,469,828.94
  5. Step 5: Solve for x
    x = 861,174,469,828.94/1,056,123.72
  6. Step 6: Final answer
    x = 815,410.60

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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.