Home / 1,278,727.43-1,764,518.21-705,730.59

Finding the Fourth Proportional to 1,278,727.43, 1,764,518.21 and 705,730.59

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Solution

The fourth proportional to 1,278,727.43, 1,764,518.21 and 705,730.59 is: 973,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,727.43 : 1,764,518.21 = 705,730.59 : x
  2. Step 2: Convert to fraction form
    1,278,727.43/1,764,518.21 = 705,730.59/x
  3. Step 3: Cross multiply
    1,278,727.43x = 1,764,518.21 × 705,730.59
  4. Step 4: Simplify right side
    1,278,727.43x = 1,245,274,473,880.39
  5. Step 5: Solve for x
    x = 1,245,274,473,880.39/1,278,727.43
  6. Step 6: Final answer
    x = 973,838.87

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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.