Home / 578,568.29-867,909.51-199,439.11

Finding the Fourth Proportional to 578,568.29, 867,909.51 and 199,439.11

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Solution

The fourth proportional to 578,568.29, 867,909.51 and 199,439.11 is: 299,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,568.29 : 867,909.51 = 199,439.11 : x
  2. Step 2: Convert to fraction form
    578,568.29/867,909.51 = 199,439.11/x
  3. Step 3: Cross multiply
    578,568.29x = 867,909.51 × 199,439.11
  4. Step 4: Simplify right side
    578,568.29x = 173,095,100,234.94
  5. Step 5: Solve for x
    x = 173,095,100,234.94/578,568.29
  6. Step 6: Final answer
    x = 299,178.34

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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.