Home / 1,264,186.05-1,745,051.13-828,631.44

Finding the Fourth Proportional to 1,264,186.05, 1,745,051.13 and 828,631.44

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Solution

The fourth proportional to 1,264,186.05, 1,745,051.13 and 828,631.44 is: 1,143,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,186.05 : 1,745,051.13 = 828,631.44 : x
  2. Step 2: Convert to fraction form
    1,264,186.05/1,745,051.13 = 828,631.44/x
  3. Step 3: Cross multiply
    1,264,186.05x = 1,745,051.13 × 828,631.44
  4. Step 4: Simplify right side
    1,264,186.05x = 1,446,004,230,725.53
  5. Step 5: Solve for x
    x = 1,446,004,230,725.53/1,264,186.05
  6. Step 6: Final answer
    x = 1,143,822.33

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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.