Home / 1,221,680.48-1,685,919.27-677,814.96

Finding the Fourth Proportional to 1,221,680.48, 1,685,919.27 and 677,814.96

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Solution

The fourth proportional to 1,221,680.48, 1,685,919.27 and 677,814.96 is: 935,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,680.48 : 1,685,919.27 = 677,814.96 : x
  2. Step 2: Convert to fraction form
    1,221,680.48/1,685,919.27 = 677,814.96/x
  3. Step 3: Cross multiply
    1,221,680.48x = 1,685,919.27 × 677,814.96
  4. Step 4: Simplify right side
    1,221,680.48x = 1,142,741,302,558.28
  5. Step 5: Solve for x
    x = 1,142,741,302,558.28/1,221,680.48
  6. Step 6: Final answer
    x = 935,384.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.