Home / 644,423.16-966,560.52-171,145.56

Finding the Fourth Proportional to 644,423.16, 966,560.52 and 171,145.56

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Solution

The fourth proportional to 644,423.16, 966,560.52 and 171,145.56 is: 256,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,423.16 : 966,560.52 = 171,145.56 : x
  2. Step 2: Convert to fraction form
    644,423.16/966,560.52 = 171,145.56/x
  3. Step 3: Cross multiply
    644,423.16x = 966,560.52 × 171,145.56
  4. Step 4: Simplify right side
    644,423.16x = 165,422,541,469.29
  5. Step 5: Solve for x
    x = 165,422,541,469.29/644,423.16
  6. Step 6: Final answer
    x = 256,698.63

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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.