Home / 578,317.20-867,509.82-223,333.08

Finding the Fourth Proportional to 578,317.20, 867,509.82 and 223,333.08

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Solution

The fourth proportional to 578,317.20, 867,509.82 and 223,333.08 is: 335,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,317.20 : 867,509.82 = 223,333.08 : x
  2. Step 2: Convert to fraction form
    578,317.20/867,509.82 = 223,333.08/x
  3. Step 3: Cross multiply
    578,317.20x = 867,509.82 × 223,333.08
  4. Step 4: Simplify right side
    578,317.20x = 193,743,640,030.85
  5. Step 5: Solve for x
    x = 193,743,640,030.85/578,317.20
  6. Step 6: Final answer
    x = 335,012.76

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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.