Home / 496,917.14-745,454.13-212,609.54

Finding the Fourth Proportional to 496,917.14, 745,454.13 and 212,609.54

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Solution

The fourth proportional to 496,917.14, 745,454.13 and 212,609.54 is: 318,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,917.14 : 745,454.13 = 212,609.54 : x
  2. Step 2: Convert to fraction form
    496,917.14/745,454.13 = 212,609.54/x
  3. Step 3: Cross multiply
    496,917.14x = 745,454.13 × 212,609.54
  4. Step 4: Simplify right side
    496,917.14x = 158,490,655,943.13
  5. Step 5: Solve for x
    x = 158,490,655,943.13/496,917.14
  6. Step 6: Final answer
    x = 318,947.86

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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.