Home / 1,213,144.98-1,674,129.30-669,285.47

Finding the Fourth Proportional to 1,213,144.98, 1,674,129.30 and 669,285.47

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Solution

The fourth proportional to 1,213,144.98, 1,674,129.30 and 669,285.47 is: 923,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,144.98 : 1,674,129.30 = 669,285.47 : x
  2. Step 2: Convert to fraction form
    1,213,144.98/1,674,129.30 = 669,285.47/x
  3. Step 3: Cross multiply
    1,213,144.98x = 1,674,129.30 × 669,285.47
  4. Step 4: Simplify right side
    1,213,144.98x = 1,120,470,407,020.62
  5. Step 5: Solve for x
    x = 1,120,470,407,020.62/1,213,144.98
  6. Step 6: Final answer
    x = 923,608.00

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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.