Home / 578,423.30-867,764.55-223,405.70

Finding the Fourth Proportional to 578,423.30, 867,764.55 and 223,405.70

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Solution

The fourth proportional to 578,423.30, 867,764.55 and 223,405.70 is: 335,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,423.30 : 867,764.55 = 223,405.70 : x
  2. Step 2: Convert to fraction form
    578,423.30/867,764.55 = 223,405.70/x
  3. Step 3: Cross multiply
    578,423.30x = 867,764.55 × 223,405.70
  4. Step 4: Simplify right side
    578,423.30x = 193,863,546,727.94
  5. Step 5: Solve for x
    x = 193,863,546,727.94/578,423.30
  6. Step 6: Final answer
    x = 335,158.61

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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.