Home / 1,208,062.36-1,812,051.60-309,511.56

Finding the Fourth Proportional to 1,208,062.36, 1,812,051.60 and 309,511.56

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Solution

The fourth proportional to 1,208,062.36, 1,812,051.60 and 309,511.56 is: 464,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,062.36 : 1,812,051.60 = 309,511.56 : x
  2. Step 2: Convert to fraction form
    1,208,062.36/1,812,051.60 = 309,511.56/x
  3. Step 3: Cross multiply
    1,208,062.36x = 1,812,051.60 × 309,511.56
  4. Step 4: Simplify right side
    1,208,062.36x = 560,850,917,516.50
  5. Step 5: Solve for x
    x = 560,850,917,516.50/1,208,062.36
  6. Step 6: Final answer
    x = 464,256.59

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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.