Home / 1,278,770.36-1,764,577.31-705,773.66

Finding the Fourth Proportional to 1,278,770.36, 1,764,577.31 and 705,773.66

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Solution

The fourth proportional to 1,278,770.36, 1,764,577.31 and 705,773.66 is: 973,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,770.36 : 1,764,577.31 = 705,773.66 : x
  2. Step 2: Convert to fraction form
    1,278,770.36/1,764,577.31 = 705,773.66/x
  3. Step 3: Cross multiply
    1,278,770.36x = 1,764,577.31 × 705,773.66
  4. Step 4: Simplify right side
    1,278,770.36x = 1,245,392,174,079.90
  5. Step 5: Solve for x
    x = 1,245,392,174,079.90/1,278,770.36
  6. Step 6: Final answer
    x = 973,898.22

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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.