Home / 1,236,774.81-1,855,113.69-516,930.60

Finding the Fourth Proportional to 1,236,774.81, 1,855,113.69 and 516,930.60

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Solution

The fourth proportional to 1,236,774.81, 1,855,113.69 and 516,930.60 is: 775,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,774.81 : 1,855,113.69 = 516,930.60 : x
  2. Step 2: Convert to fraction form
    1,236,774.81/1,855,113.69 = 516,930.60/x
  3. Step 3: Cross multiply
    1,236,774.81x = 1,855,113.69 × 516,930.60
  4. Step 4: Simplify right side
    1,236,774.81x = 958,965,029,054.77
  5. Step 5: Solve for x
    x = 958,965,029,054.77/1,236,774.81
  6. Step 6: Final answer
    x = 775,375.61

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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.