Home / 662,134.38-993,441.33-409,119.54

Finding the Fourth Proportional to 662,134.38, 993,441.33 and 409,119.54

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Solution

The fourth proportional to 662,134.38, 993,441.33 and 409,119.54 is: 613,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,134.38 : 993,441.33 = 409,119.54 : x
  2. Step 2: Convert to fraction form
    662,134.38/993,441.33 = 409,119.54/x
  3. Step 3: Cross multiply
    662,134.38x = 993,441.33 × 409,119.54
  4. Step 4: Simplify right side
    662,134.38x = 406,436,259,946.59
  5. Step 5: Solve for x
    x = 406,436,259,946.59/662,134.38
  6. Step 6: Final answer
    x = 613,827.45

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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.