Home / 957,676.21-1,321,603.36-527,971.72

Finding the Fourth Proportional to 957,676.21, 1,321,603.36 and 527,971.72

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Solution

The fourth proportional to 957,676.21, 1,321,603.36 and 527,971.72 is: 728,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,676.21 : 1,321,603.36 = 527,971.72 : x
  2. Step 2: Convert to fraction form
    957,676.21/1,321,603.36 = 527,971.72/x
  3. Step 3: Cross multiply
    957,676.21x = 1,321,603.36 × 527,971.72
  4. Step 4: Simplify right side
    957,676.21x = 697,769,199,136.98
  5. Step 5: Solve for x
    x = 697,769,199,136.98/957,676.21
  6. Step 6: Final answer
    x = 728,606.59

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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.