Home / 433,084.47-649,738.79-133,558.43

Finding the Fourth Proportional to 433,084.47, 649,738.79 and 133,558.43

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Solution

The fourth proportional to 433,084.47, 649,738.79 and 133,558.43 is: 200,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,084.47 : 649,738.79 = 133,558.43 : x
  2. Step 2: Convert to fraction form
    433,084.47/649,738.79 = 133,558.43/x
  3. Step 3: Cross multiply
    433,084.47x = 649,738.79 × 133,558.43
  4. Step 4: Simplify right side
    433,084.47x = 86,778,088,786.01
  5. Step 5: Solve for x
    x = 86,778,088,786.01/433,084.47
  6. Step 6: Final answer
    x = 200,372.20

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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.