Home / 1,196,119.71-1,794,212.55-386,538.75

Finding the Fourth Proportional to 1,196,119.71, 1,794,212.55 and 386,538.75

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Solution

The fourth proportional to 1,196,119.71, 1,794,212.55 and 386,538.75 is: 579,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,119.71 : 1,794,212.55 = 386,538.75 : x
  2. Step 2: Convert to fraction form
    1,196,119.71/1,794,212.55 = 386,538.75/x
  3. Step 3: Cross multiply
    1,196,119.71x = 1,794,212.55 × 386,538.75
  4. Step 4: Simplify right side
    1,196,119.71x = 693,532,676,311.31
  5. Step 5: Solve for x
    x = 693,532,676,311.31/1,196,119.71
  6. Step 6: Final answer
    x = 579,818.78

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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.