Home / 644,179.14-966,319.56-170,864.64

Finding the Fourth Proportional to 644,179.14, 966,319.56 and 170,864.64

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Solution

The fourth proportional to 644,179.14, 966,319.56 and 170,864.64 is: 256,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,179.14 : 966,319.56 = 170,864.64 : x
  2. Step 2: Convert to fraction form
    644,179.14/966,319.56 = 170,864.64/x
  3. Step 3: Cross multiply
    644,179.14x = 966,319.56 × 170,864.64
  4. Step 4: Simplify right side
    644,179.14x = 165,109,843,744.36
  5. Step 5: Solve for x
    x = 165,109,843,744.36/644,179.14
  6. Step 6: Final answer
    x = 256,310.45

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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.