Home / 1,557,576-2,336,778.72-492,637.44

Finding the Fourth Proportional to 1,557,576, 2,336,778.72 and 492,637.44

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Solution

The fourth proportional to 1,557,576, 2,336,778.72 and 492,637.44 is: 739,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,576 : 2,336,778.72 = 492,637.44 : x
  2. Step 2: Convert to fraction form
    1,557,576/2,336,778.72 = 492,637.44/x
  3. Step 3: Cross multiply
    1,557,576x = 2,336,778.72 × 492,637.44
  4. Step 4: Simplify right side
    1,557,576x = 1,151,184,686,467.28
  5. Step 5: Solve for x
    x = 1,151,184,686,467.28/1,557,576
  6. Step 6: Final answer
    x = 739,087.33

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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.