Home / 1,361,112.33-2,040,666.72-462,312.43

Finding the Fourth Proportional to 1,361,112.33, 2,040,666.72 and 462,312.43

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Solution

The fourth proportional to 1,361,112.33, 2,040,666.72 and 462,312.43 is: 693,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,112.33 : 2,040,666.72 = 462,312.43 : x
  2. Step 2: Convert to fraction form
    1,361,112.33/2,040,666.72 = 462,312.43/x
  3. Step 3: Cross multiply
    1,361,112.33x = 2,040,666.72 × 462,312.43
  4. Step 4: Simplify right side
    1,361,112.33x = 943,425,590,143.33
  5. Step 5: Solve for x
    x = 943,425,590,143.33/1,361,112.33
  6. Step 6: Final answer
    x = 693,128.38

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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.