Home / 1,005,376.86-1,387,453.86-591,839.06

Finding the Fourth Proportional to 1,005,376.86, 1,387,453.86 and 591,839.06

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Solution

The fourth proportional to 1,005,376.86, 1,387,453.86 and 591,839.06 is: 816,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,376.86 : 1,387,453.86 = 591,839.06 : x
  2. Step 2: Convert to fraction form
    1,005,376.86/1,387,453.86 = 591,839.06/x
  3. Step 3: Cross multiply
    1,005,376.86x = 1,387,453.86 × 591,839.06
  4. Step 4: Simplify right side
    1,005,376.86x = 821,149,381,358.50
  5. Step 5: Solve for x
    x = 821,149,381,358.50/1,005,376.86
  6. Step 6: Final answer
    x = 816,757.79

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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.