Home / 1,379,953.53-1,904,335.64-768,093.14

Finding the Fourth Proportional to 1,379,953.53, 1,904,335.64 and 768,093.14

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Solution

The fourth proportional to 1,379,953.53, 1,904,335.64 and 768,093.14 is: 1,059,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,953.53 : 1,904,335.64 = 768,093.14 : x
  2. Step 2: Convert to fraction form
    1,379,953.53/1,904,335.64 = 768,093.14/x
  3. Step 3: Cross multiply
    1,379,953.53x = 1,904,335.64 × 768,093.14
  4. Step 4: Simplify right side
    1,379,953.53x = 1,462,707,127,979.37
  5. Step 5: Solve for x
    x = 1,462,707,127,979.37/1,379,953.53
  6. Step 6: Final answer
    x = 1,059,968.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.