Home / 1,586,234.09-2,189,015.89-879,007.55

Finding the Fourth Proportional to 1,586,234.09, 2,189,015.89 and 879,007.55

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Solution

The fourth proportional to 1,586,234.09, 2,189,015.89 and 879,007.55 is: 1,213,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,234.09 : 2,189,015.89 = 879,007.55 : x
  2. Step 2: Convert to fraction form
    1,586,234.09/2,189,015.89 = 879,007.55/x
  3. Step 3: Cross multiply
    1,586,234.09x = 2,189,015.89 × 879,007.55
  4. Step 4: Simplify right side
    1,586,234.09x = 1,924,161,481,237.37
  5. Step 5: Solve for x
    x = 1,924,161,481,237.37/1,586,234.09
  6. Step 6: Final answer
    x = 1,213,037.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.