Home / 1,278,776.34-1,764,585.60-705,779.64

Finding the Fourth Proportional to 1,278,776.34, 1,764,585.60 and 705,779.64

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Solution

The fourth proportional to 1,278,776.34, 1,764,585.60 and 705,779.64 is: 973,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,776.34 : 1,764,585.60 = 705,779.64 : x
  2. Step 2: Convert to fraction form
    1,278,776.34/1,764,585.60 = 705,779.64/x
  3. Step 3: Cross multiply
    1,278,776.34x = 1,764,585.60 × 705,779.64
  4. Step 4: Simplify right side
    1,278,776.34x = 1,245,408,589,517.18
  5. Step 5: Solve for x
    x = 1,245,408,589,517.18/1,278,776.34
  6. Step 6: Final answer
    x = 973,906.50

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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.