Home / 1,235,444.50-1,704,914.12-691,581.34

Finding the Fourth Proportional to 1,235,444.50, 1,704,914.12 and 691,581.34

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Solution

The fourth proportional to 1,235,444.50, 1,704,914.12 and 691,581.34 is: 954,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,444.50 : 1,704,914.12 = 691,581.34 : x
  2. Step 2: Convert to fraction form
    1,235,444.50/1,704,914.12 = 691,581.34/x
  3. Step 3: Cross multiply
    1,235,444.50x = 1,704,914.12 × 691,581.34
  4. Step 4: Simplify right side
    1,235,444.50x = 1,179,086,795,554.62
  5. Step 5: Solve for x
    x = 1,179,086,795,554.62/1,235,444.50
  6. Step 6: Final answer
    x = 954,382.65

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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.