Home / 1,189,263.58-1,783,392.36-479,100.94

Finding the Fourth Proportional to 1,189,263.58, 1,783,392.36 and 479,100.94

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Solution

The fourth proportional to 1,189,263.58, 1,783,392.36 and 479,100.94 is: 718,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,263.58 : 1,783,392.36 = 479,100.94 : x
  2. Step 2: Convert to fraction form
    1,189,263.58/1,783,392.36 = 479,100.94/x
  3. Step 3: Cross multiply
    1,189,263.58x = 1,783,392.36 × 479,100.94
  4. Step 4: Simplify right side
    1,189,263.58x = 854,424,956,064.82
  5. Step 5: Solve for x
    x = 854,424,956,064.82/1,189,263.58
  6. Step 6: Final answer
    x = 718,448.77

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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.