Home / 1,213,571.47-1,821,475.32-614,956.78

Finding the Fourth Proportional to 1,213,571.47, 1,821,475.32 and 614,956.78

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Solution

The fourth proportional to 1,213,571.47, 1,821,475.32 and 614,956.78 is: 923,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,571.47 : 1,821,475.32 = 614,956.78 : x
  2. Step 2: Convert to fraction form
    1,213,571.47/1,821,475.32 = 614,956.78/x
  3. Step 3: Cross multiply
    1,213,571.47x = 1,821,475.32 × 614,956.78
  4. Step 4: Simplify right side
    1,213,571.47x = 1,120,128,597,636.67
  5. Step 5: Solve for x
    x = 1,120,128,597,636.67/1,213,571.47
  6. Step 6: Final answer
    x = 923,001.76

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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.