Home / 1,190,144.96-1,642,411.68-653,600.96

Finding the Fourth Proportional to 1,190,144.96, 1,642,411.68 and 653,600.96

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Solution

The fourth proportional to 1,190,144.96, 1,642,411.68 and 653,600.96 is: 901,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,144.96 : 1,642,411.68 = 653,600.96 : x
  2. Step 2: Convert to fraction form
    1,190,144.96/1,642,411.68 = 653,600.96/x
  3. Step 3: Cross multiply
    1,190,144.96x = 1,642,411.68 × 653,600.96
  4. Step 4: Simplify right side
    1,190,144.96x = 1,073,481,850,763.21
  5. Step 5: Solve for x
    x = 1,073,481,850,763.21/1,190,144.96
  6. Step 6: Final answer
    x = 901,975.71

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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.