Home / 1,212,580.98-1,673,372.25-668,736.18

Finding the Fourth Proportional to 1,212,580.98, 1,673,372.25 and 668,736.18

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Solution

The fourth proportional to 1,212,580.98, 1,673,372.25 and 668,736.18 is: 922,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,580.98 : 1,673,372.25 = 668,736.18 : x
  2. Step 2: Convert to fraction form
    1,212,580.98/1,673,372.25 = 668,736.18/x
  3. Step 3: Cross multiply
    1,212,580.98x = 1,673,372.25 × 668,736.18
  4. Step 4: Simplify right side
    1,212,580.98x = 1,119,044,566,183.01
  5. Step 5: Solve for x
    x = 1,119,044,566,183.01/1,212,580.98
  6. Step 6: Final answer
    x = 922,861.72

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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.