Home / 2,016,685.20-3,025,027.80-520,777.20

Finding the Fourth Proportional to 2,016,685.20, 3,025,027.80 and 520,777.20

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Solution

The fourth proportional to 2,016,685.20, 3,025,027.80 and 520,777.20 is: 781,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,685.20 : 3,025,027.80 = 520,777.20 : x
  2. Step 2: Convert to fraction form
    2,016,685.20/3,025,027.80 = 520,777.20/x
  3. Step 3: Cross multiply
    2,016,685.20x = 3,025,027.80 × 520,777.20
  4. Step 4: Simplify right side
    2,016,685.20x = 1,575,365,507,606.16
  5. Step 5: Solve for x
    x = 1,575,365,507,606.16/2,016,685.20
  6. Step 6: Final answer
    x = 781,165.80

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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.