Home / 1,412,690.23-1,949,458.77-768,110.96

Finding the Fourth Proportional to 1,412,690.23, 1,949,458.77 and 768,110.96

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Solution

The fourth proportional to 1,412,690.23, 1,949,458.77 and 768,110.96 is: 1,059,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,690.23 : 1,949,458.77 = 768,110.96 : x
  2. Step 2: Convert to fraction form
    1,412,690.23/1,949,458.77 = 768,110.96/x
  3. Step 3: Cross multiply
    1,412,690.23x = 1,949,458.77 × 768,110.96
  4. Step 4: Simplify right side
    1,412,690.23x = 1,497,400,652,178.77
  5. Step 5: Solve for x
    x = 1,497,400,652,178.77/1,412,690.23
  6. Step 6: Final answer
    x = 1,059,963.90

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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.