Home / 1,630,676.31-2,250,391.28-905,536.36

Finding the Fourth Proportional to 1,630,676.31, 2,250,391.28 and 905,536.36

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Solution

The fourth proportional to 1,630,676.31, 2,250,391.28 and 905,536.36 is: 1,249,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,676.31 : 2,250,391.28 = 905,536.36 : x
  2. Step 2: Convert to fraction form
    1,630,676.31/2,250,391.28 = 905,536.36/x
  3. Step 3: Cross multiply
    1,630,676.31x = 2,250,391.28 × 905,536.36
  4. Step 4: Simplify right side
    1,630,676.31x = 2,037,811,126,552.25
  5. Step 5: Solve for x
    x = 2,037,811,126,552.25/1,630,676.31
  6. Step 6: Final answer
    x = 1,249,672.37

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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.