Home / 667,695.83-1,002,544.31-578,015.17

Finding the Fourth Proportional to 667,695.83, 1,002,544.31 and 578,015.17

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Solution

The fourth proportional to 667,695.83, 1,002,544.31 and 578,015.17 is: 867,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,695.83 : 1,002,544.31 = 578,015.17 : x
  2. Step 2: Convert to fraction form
    667,695.83/1,002,544.31 = 578,015.17/x
  3. Step 3: Cross multiply
    667,695.83x = 1,002,544.31 × 578,015.17
  4. Step 4: Simplify right side
    667,695.83x = 579,485,814,380.75
  5. Step 5: Solve for x
    x = 579,485,814,380.75/667,695.83
  6. Step 6: Final answer
    x = 867,888.92

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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.