Home / 564,723.36-847,231.92-209,839.68

Finding the Fourth Proportional to 564,723.36, 847,231.92 and 209,839.68

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Solution

The fourth proportional to 564,723.36, 847,231.92 and 209,839.68 is: 314,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,723.36 : 847,231.92 = 209,839.68 : x
  2. Step 2: Convert to fraction form
    564,723.36/847,231.92 = 209,839.68/x
  3. Step 3: Cross multiply
    564,723.36x = 847,231.92 × 209,839.68
  4. Step 4: Simplify right side
    564,723.36x = 177,782,874,978.59
  5. Step 5: Solve for x
    x = 177,782,874,978.59/564,723.36
  6. Step 6: Final answer
    x = 314,814.10

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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.