Home / 1,679,288.99-2,519,291.30-542,115.81

Finding the Fourth Proportional to 1,679,288.99, 2,519,291.30 and 542,115.81

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Solution

The fourth proportional to 1,679,288.99, 2,519,291.30 and 542,115.81 is: 813,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,288.99 : 2,519,291.30 = 542,115.81 : x
  2. Step 2: Convert to fraction form
    1,679,288.99/2,519,291.30 = 542,115.81/x
  3. Step 3: Cross multiply
    1,679,288.99x = 2,519,291.30 × 542,115.81
  4. Step 4: Simplify right side
    1,679,288.99x = 1,365,747,641,014.87
  5. Step 5: Solve for x
    x = 1,365,747,641,014.87/1,679,288.99
  6. Step 6: Final answer
    x = 813,289.23

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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.