Home / 1,406,303.82-1,940,682.32-854,836.86

Finding the Fourth Proportional to 1,406,303.82, 1,940,682.32 and 854,836.86

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Solution

The fourth proportional to 1,406,303.82, 1,940,682.32 and 854,836.86 is: 1,179,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,303.82 : 1,940,682.32 = 854,836.86 : x
  2. Step 2: Convert to fraction form
    1,406,303.82/1,940,682.32 = 854,836.86/x
  3. Step 3: Cross multiply
    1,406,303.82x = 1,940,682.32 × 854,836.86
  4. Step 4: Simplify right side
    1,406,303.82x = 1,658,966,780,686.32
  5. Step 5: Solve for x
    x = 1,658,966,780,686.32/1,406,303.82
  6. Step 6: Final answer
    x = 1,179,664.56

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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.