Home / 1,970,376.80-2,719,118.57-1,064,958.80

Finding the Fourth Proportional to 1,970,376.80, 2,719,118.57 and 1,064,958.80

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Solution

The fourth proportional to 1,970,376.80, 2,719,118.57 and 1,064,958.80 is: 1,469,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,376.80 : 2,719,118.57 = 1,064,958.80 : x
  2. Step 2: Convert to fraction form
    1,970,376.80/2,719,118.57 = 1,064,958.80/x
  3. Step 3: Cross multiply
    1,970,376.80x = 2,719,118.57 × 1,064,958.80
  4. Step 4: Simplify right side
    1,970,376.80x = 2,895,749,230,444.53
  5. Step 5: Solve for x
    x = 2,895,749,230,444.53/1,970,376.80
  6. Step 6: Final answer
    x = 1,469,642.37

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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.