Home / 1,433,905.88-2,150,858.81-436,633.88

Finding the Fourth Proportional to 1,433,905.88, 2,150,858.81 and 436,633.88

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Solution

The fourth proportional to 1,433,905.88, 2,150,858.81 and 436,633.88 is: 654,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,905.88 : 2,150,858.81 = 436,633.88 : x
  2. Step 2: Convert to fraction form
    1,433,905.88/2,150,858.81 = 436,633.88/x
  3. Step 3: Cross multiply
    1,433,905.88x = 2,150,858.81 × 436,633.88
  4. Step 4: Simplify right side
    1,433,905.88x = 939,137,817,879.77
  5. Step 5: Solve for x
    x = 939,137,817,879.77/1,433,905.88
  6. Step 6: Final answer
    x = 654,950.81

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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.