Home / 647,964.10-971,835.38-174,538.75

Finding the Fourth Proportional to 647,964.10, 971,835.38 and 174,538.75

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Solution

The fourth proportional to 647,964.10, 971,835.38 and 174,538.75 is: 261,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,964.10 : 971,835.38 = 174,538.75 : x
  2. Step 2: Convert to fraction form
    647,964.10/971,835.38 = 174,538.75/x
  3. Step 3: Cross multiply
    647,964.10x = 971,835.38 × 174,538.75
  4. Step 4: Simplify right side
    647,964.10x = 169,622,932,430.98
  5. Step 5: Solve for x
    x = 169,622,932,430.98/647,964.10
  6. Step 6: Final answer
    x = 261,778.29

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1.5x scale

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.