Home / 1,213,953.10-1,821,172.65-361,023.10

Finding the Fourth Proportional to 1,213,953.10, 1,821,172.65 and 361,023.10

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Solution

The fourth proportional to 1,213,953.10, 1,821,172.65 and 361,023.10 is: 541,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,953.10 : 1,821,172.65 = 361,023.10 : x
  2. Step 2: Convert to fraction form
    1,213,953.10/1,821,172.65 = 361,023.10/x
  3. Step 3: Cross multiply
    1,213,953.10x = 1,821,172.65 × 361,023.10
  4. Step 4: Simplify right side
    1,213,953.10x = 657,485,395,738.22
  5. Step 5: Solve for x
    x = 657,485,395,738.22/1,213,953.10
  6. Step 6: Final answer
    x = 541,606.92

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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.