Home / 1,487,056-2,230,579.62-422,098.96

Finding the Fourth Proportional to 1,487,056, 2,230,579.62 and 422,098.96

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Solution

The fourth proportional to 1,487,056, 2,230,579.62 and 422,098.96 is: 633,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,056 : 2,230,579.62 = 422,098.96 : x
  2. Step 2: Convert to fraction form
    1,487,056/2,230,579.62 = 422,098.96/x
  3. Step 3: Cross multiply
    1,487,056x = 2,230,579.62 × 422,098.96
  4. Step 4: Simplify right side
    1,487,056x = 941,525,337,799.20
  5. Step 5: Solve for x
    x = 941,525,337,799.20/1,487,056
  6. Step 6: Final answer
    x = 633,147.20

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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.