Home / 1,278,535.27-1,764,375.05-705,571.34

Finding the Fourth Proportional to 1,278,535.27, 1,764,375.05 and 705,571.34

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Solution

The fourth proportional to 1,278,535.27, 1,764,375.05 and 705,571.34 is: 973,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,535.27 : 1,764,375.05 = 705,571.34 : x
  2. Step 2: Convert to fraction form
    1,278,535.27/1,764,375.05 = 705,571.34/x
  3. Step 3: Cross multiply
    1,278,535.27x = 1,764,375.05 × 705,571.34
  4. Step 4: Simplify right side
    1,278,535.27x = 1,244,892,474,465.93
  5. Step 5: Solve for x
    x = 1,244,892,474,465.93/1,278,535.27
  6. Step 6: Final answer
    x = 973,686.46

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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.