Home / 1,256,466.97-1,885,788.69-657,847

Finding the Fourth Proportional to 1,256,466.97, 1,885,788.69 and 657,847

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Solution

The fourth proportional to 1,256,466.97, 1,885,788.69 and 657,847 is: 987,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,466.97 : 1,885,788.69 = 657,847 : x
  2. Step 2: Convert to fraction form
    1,256,466.97/1,885,788.69 = 657,847/x
  3. Step 3: Cross multiply
    1,256,466.97x = 1,885,788.69 × 657,847
  4. Step 4: Simplify right side
    1,256,466.97x = 1,240,560,432,350.43
  5. Step 5: Solve for x
    x = 1,240,560,432,350.43/1,256,466.97
  6. Step 6: Final answer
    x = 987,340.27

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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.