Home / 1,120,942.13-1,681,694.77-322,225.13

Finding the Fourth Proportional to 1,120,942.13, 1,681,694.77 and 322,225.13

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Solution

The fourth proportional to 1,120,942.13, 1,681,694.77 and 322,225.13 is: 483,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,942.13 : 1,681,694.77 = 322,225.13 : x
  2. Step 2: Convert to fraction form
    1,120,942.13/1,681,694.77 = 322,225.13/x
  3. Step 3: Cross multiply
    1,120,942.13x = 1,681,694.77 × 322,225.13
  4. Step 4: Simplify right side
    1,120,942.13x = 541,884,307,877.88
  5. Step 5: Solve for x
    x = 541,884,307,877.88/1,120,942.13
  6. Step 6: Final answer
    x = 483,418.63

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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.