Home / 1,377,016.11-1,900,257.01-765,157.73

Finding the Fourth Proportional to 1,377,016.11, 1,900,257.01 and 765,157.73

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Solution

The fourth proportional to 1,377,016.11, 1,900,257.01 and 765,157.73 is: 1,055,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,016.11 : 1,900,257.01 = 765,157.73 : x
  2. Step 2: Convert to fraction form
    1,377,016.11/1,900,257.01 = 765,157.73/x
  3. Step 3: Cross multiply
    1,377,016.11x = 1,900,257.01 × 765,157.73
  4. Step 4: Simplify right side
    1,377,016.11x = 1,453,996,340,188.19
  5. Step 5: Solve for x
    x = 1,453,996,340,188.19/1,377,016.11
  6. Step 6: Final answer
    x = 1,055,903.66

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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.