Home / 1,189,157.88-1,783,270.26-479,053.56

Finding the Fourth Proportional to 1,189,157.88, 1,783,270.26 and 479,053.56

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Solution

The fourth proportional to 1,189,157.88, 1,783,270.26 and 479,053.56 is: 718,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,157.88 : 1,783,270.26 = 479,053.56 : x
  2. Step 2: Convert to fraction form
    1,189,157.88/1,783,270.26 = 479,053.56/x
  3. Step 3: Cross multiply
    1,189,157.88x = 1,783,270.26 × 479,053.56
  4. Step 4: Simplify right side
    1,189,157.88x = 854,281,966,495.13
  5. Step 5: Solve for x
    x = 854,281,966,495.13/1,189,157.88
  6. Step 6: Final answer
    x = 718,392.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.