Home / 1,251,773.42-1,727,447.78-678,813.44

Finding the Fourth Proportional to 1,251,773.42, 1,727,447.78 and 678,813.44

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Solution

The fourth proportional to 1,251,773.42, 1,727,447.78 and 678,813.44 is: 936,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,773.42 : 1,727,447.78 = 678,813.44 : x
  2. Step 2: Convert to fraction form
    1,251,773.42/1,727,447.78 = 678,813.44/x
  3. Step 3: Cross multiply
    1,251,773.42x = 1,727,447.78 × 678,813.44
  4. Step 4: Simplify right side
    1,251,773.42x = 1,172,614,775,977.82
  5. Step 5: Solve for x
    x = 1,172,614,775,977.82/1,251,773.42
  6. Step 6: Final answer
    x = 936,762.80

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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.