Home / 1,278,844.40-1,764,795.66-705,884.42

Finding the Fourth Proportional to 1,278,844.40, 1,764,795.66 and 705,884.42

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Solution

The fourth proportional to 1,278,844.40, 1,764,795.66 and 705,884.42 is: 974,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,844.40 : 1,764,795.66 = 705,884.42 : x
  2. Step 2: Convert to fraction form
    1,278,844.40/1,764,795.66 = 705,884.42/x
  3. Step 3: Cross multiply
    1,278,844.40x = 1,764,795.66 × 705,884.42
  4. Step 4: Simplify right side
    1,278,844.40x = 1,245,741,760,877.62
  5. Step 5: Solve for x
    x = 1,245,741,760,877.62/1,278,844.40
  6. Step 6: Final answer
    x = 974,115.19

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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.