Home / 1,335,125.64-2,002,666.59-324,255.90

Finding the Fourth Proportional to 1,335,125.64, 2,002,666.59 and 324,255.90

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Solution

The fourth proportional to 1,335,125.64, 2,002,666.59 and 324,255.90 is: 486,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,125.64 : 2,002,666.59 = 324,255.90 : x
  2. Step 2: Convert to fraction form
    1,335,125.64/2,002,666.59 = 324,255.90/x
  3. Step 3: Cross multiply
    1,335,125.64x = 2,002,666.59 × 324,255.90
  4. Step 4: Simplify right side
    1,335,125.64x = 649,376,457,540.38
  5. Step 5: Solve for x
    x = 649,376,457,540.38/1,335,125.64
  6. Step 6: Final answer
    x = 486,378.54

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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.