Home / 578,165.61-867,243.57-451,912.04

Finding the Fourth Proportional to 578,165.61, 867,243.57 and 451,912.04

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Solution

The fourth proportional to 578,165.61, 867,243.57 and 451,912.04 is: 677,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,165.61 : 867,243.57 = 451,912.04 : x
  2. Step 2: Convert to fraction form
    578,165.61/867,243.57 = 451,912.04/x
  3. Step 3: Cross multiply
    578,165.61x = 867,243.57 × 451,912.04
  4. Step 4: Simplify right side
    578,165.61x = 391,917,810,895.58
  5. Step 5: Solve for x
    x = 391,917,810,895.58/578,165.61
  6. Step 6: Final answer
    x = 677,864.27

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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.