Home / 578,620.41-867,972.19-199,535.69

Finding the Fourth Proportional to 578,620.41, 867,972.19 and 199,535.69

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Solution

The fourth proportional to 578,620.41, 867,972.19 and 199,535.69 is: 299,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,620.41 : 867,972.19 = 199,535.69 : x
  2. Step 2: Convert to fraction form
    578,620.41/867,972.19 = 199,535.69/x
  3. Step 3: Cross multiply
    578,620.41x = 867,972.19 × 199,535.69
  4. Step 4: Simplify right side
    578,620.41x = 173,191,431,498.89
  5. Step 5: Solve for x
    x = 173,191,431,498.89/578,620.41
  6. Step 6: Final answer
    x = 299,317.87

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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.