Home / 1,418,928.34-1,958,120.56-774,348.53

Finding the Fourth Proportional to 1,418,928.34, 1,958,120.56 and 774,348.53

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Solution

The fourth proportional to 1,418,928.34, 1,958,120.56 and 774,348.53 is: 1,068,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,928.34 : 1,958,120.56 = 774,348.53 : x
  2. Step 2: Convert to fraction form
    1,418,928.34/1,958,120.56 = 774,348.53/x
  3. Step 3: Cross multiply
    1,418,928.34x = 1,958,120.56 × 774,348.53
  4. Step 4: Simplify right side
    1,418,928.34x = 1,516,267,777,198.78
  5. Step 5: Solve for x
    x = 1,516,267,777,198.78/1,418,928.34
  6. Step 6: Final answer
    x = 1,068,600.67

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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.