Home / 578,328.30-867,622.05-223,310.70

Finding the Fourth Proportional to 578,328.30, 867,622.05 and 223,310.70

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Solution

The fourth proportional to 578,328.30, 867,622.05 and 223,310.70 is: 335,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,328.30 : 867,622.05 = 223,310.70 : x
  2. Step 2: Convert to fraction form
    578,328.30/867,622.05 = 223,310.70/x
  3. Step 3: Cross multiply
    578,328.30x = 867,622.05 × 223,310.70
  4. Step 4: Simplify right side
    578,328.30x = 193,749,287,320.94
  5. Step 5: Solve for x
    x = 193,749,287,320.94/578,328.30
  6. Step 6: Final answer
    x = 335,016.09

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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.