Home / 1,190,344.53-1,642,782.59-674,223.96

Finding the Fourth Proportional to 1,190,344.53, 1,642,782.59 and 674,223.96

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Solution

The fourth proportional to 1,190,344.53, 1,642,782.59 and 674,223.96 is: 930,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,344.53 : 1,642,782.59 = 674,223.96 : x
  2. Step 2: Convert to fraction form
    1,190,344.53/1,642,782.59 = 674,223.96/x
  3. Step 3: Cross multiply
    1,190,344.53x = 1,642,782.59 × 674,223.96
  4. Step 4: Simplify right side
    1,190,344.53x = 1,107,603,383,248.86
  5. Step 5: Solve for x
    x = 1,107,603,383,248.86/1,190,344.53
  6. Step 6: Final answer
    x = 930,489.75

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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.