Home / 412,641.06-619,139.78-223,234.86

Finding the Fourth Proportional to 412,641.06, 619,139.78 and 223,234.86

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Solution

The fourth proportional to 412,641.06, 619,139.78 and 223,234.86 is: 334,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,641.06 : 619,139.78 = 223,234.86 : x
  2. Step 2: Convert to fraction form
    412,641.06/619,139.78 = 223,234.86/x
  3. Step 3: Cross multiply
    412,641.06x = 619,139.78 × 223,234.86
  4. Step 4: Simplify right side
    412,641.06x = 138,213,582,108.73
  5. Step 5: Solve for x
    x = 138,213,582,108.73/412,641.06
  6. Step 6: Final answer
    x = 334,948.69

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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.